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class
Longman Dictionary of Contemporary English
class
I.noun
COLLOCATIONS FROM OTHER ENTRIES
a cookery class/lesson
▪ I had basic cookery lessons at school.
add a touch of glamour/class (to sth)
▪ Champagne always adds a touch of glamour to the occasion.
an exercise class
▪ I usually go to my exercise class on Wednesdays.
antenatal classes
▪ Many young mothers do not attend antenatal classes.
business class
cabin class
class action
▪ class-action lawsuits
class background
▪ Class background is an important factor in the level of schooling achieved.
class clown (=someone in a school class who behaves in a funny or silly way)
class conscious (=concerned about what class of society people come from)
▪ In the past, people were much more class conscious.
class consciousness
class differences (=between different classes of society)
▪ People’s answers to the questions showed clear class differences.
class inequality (=inequality between social classes)
▪ Class inequality is firmly embedded in our society.
class prejudice
▪ Those old class prejudices haven’t gone away.
class structure (=the way society is organized according to people’s education, jobs, income etc)
▪ Britain had a very rigid class structure.
class struggle
class/team/work etc mate
▪ Dad’s office mates are throwing a party for him.
club class
cultural/racial/class barriers
▪ Sport is a sure way to break down racial barriers.
economy class syndrome
economy class
▪ We flew economy class.
evening class
first class
▪ We prefer to travel in first class.
first/second/third class honours degree
lower class
middle class
▪ This led to the creation of a new, affluent middle class.
night class
racial/class/gender etc division
▪ The old class divisions had begun to break down.
reception class
repeat a class/grade/year (=do the same class at school again the following year)
ruling class
▪ A ruling class clearly existed.
second class
skip school/classespecially AmE
▪ He skipped chemistry class three times last month.
third class
▪ We travelled third-class.
tourist class
upper class
▪ upper-class families
working class
▪ Marx wrote about the political struggles of the working class.
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
high
▪ Apogee have made an entry into the educational market with this first high class educational game.
▪ One day I changed from second class to high class.
▪ Eventually they were replaced, moved to higher classes, or learned Hausa.
▪ Ellsworth had graduated seventh in a high school class of 400.
▪ Are they both unskilled workers or is she in a higher class than her husband?
▪ In my high school class, only 4 of us survived.
▪ Food for higher classes is increasingly split between the two fractions of the dominant class.
▪ This is high class, incredible tasting stuff.
low
▪ By the end of the nineteenth century the lower middle classes were actually seen as the bulwark of respectability.
▪ In college he loved a young girl of a lower class and ruined her; she died a suicide.
▪ Black immigrants to Britain in the 1960s were in the lowest housing class.
▪ Ultimately, in an episode of the class war, a lower class succeeds in overthrowing the highest class.
▪ Cost per pupil may be low because class sizes are high.
▪ His wife died from being too lower class.
▪ No way was found to rally or organize the urban lower middle classes.
▪ Some historians now view it as an attempt by the state to exercise more effective though subtle control over the lower classes.
middle
▪ This is obviously not the case in Britain, where the ideology of the white middle classes dominates.
▪ The middle class had formed no independent standards of honor.
▪ The middle class found this hard to understand.
▪ And in this regard there is no doubt that the middle classes of the emerging world have an edge.
▪ First, it failed because it did not benefit the poor as much as it did the middle classes.
▪ They were better than middle class.
▪ The restitution was described by Klaus as accelerating the re-establishment of a property-owning entrepreneurial middle class.
▪ According to this conventional wisdom, the middle class and the poor think the rich should pay a heavy share.
professional
▪ Of graduates, more than 80% have ended up in the professional and managerial classes.
▪ Recruited from the artisan and professional classes, this group did not stay.
▪ Consistently, those elderly from the professional and managerial classes experience better health than their contemporaries from the manual occupation groups.
▪ His methods had an appeal among the wealthy, professional classes who made up the congregation.
▪ He was served by a professional class of Ottoman civil servants and soldiers.
▪ It also attracts many from the middle or professional classes who have a commitment to social and economic justice.
▪ The older and more substantial houses were occupied by the professional and commercial classes.
▪ Among women of the professional classes especially, individual men are still the focus of potent fantasies.
ruling
▪ Read the extract on p. 16 concerning the ruling class.
▪ He argues that capitalist societies remain polarized between two main classes: the ruling class and the working class.
▪ Marx maintained that in all class societies, the ruling class exploits and oppresses the subject class.
▪ However, Marx believed that ruling class ideology could only slow down the disintegration of the system.
▪ How the bureaucracy relates to the ruling class is more than a matter of origins.
▪ This cast of mind is easily recognizable as the outlook of the traditional ruling class.
▪ The subject class is made up of the majority of the population whereas the ruling or dominant class forms a minority.
▪ Some members of the ruling class have transferred property to relatives and friends to avoid death duties.
social
▪ There are no social class differences.
▪ People used to think that you could work only at those occupations your family or social class were supposed to do.
▪ The motive behind much late nineteenth-century visiting was to put the social classes back in touch with one another.
▪ There were no differences in the use of services by the social class of the older people.
▪ There are, however, no reliable statistics relating to social class and illness over the years.
▪ The passage which opens this chapter is an instance of a satirist attacking a higher social class.
▪ When the authors looked at the proportion of the community experiencing vulnerability factors, important social class differences emerged.
▪ Once thought of as a disorder of upper social classes, it now seems to be well represented across the socioeconomic spectrum.
top
▪ Being in the business the longest, we know the importance of providing a top class service.
▪ How can we attract players to the sport if a top class player is advocating potentially dangerous play?
▪ Stewart rates Gascoigne and Beardsley as the top class acts of the hundreds he appeared with at club level.
▪ I think that a horse has to be a minimum of 7/8 bred now to become a top class event horse.
▪ There's also a superb tennis centre where top class coaches can help you to club championship winning form.
▪ You are still top of the class, aren't you?
▪ Organised by the Eastern Sporting Sidecar Association, the first of 12 scheduled meetings this year has attracted a top class entry.
upper
▪ They could both accept that the upper class should be defined, first and foremost, by its possession of productive capital.
▪ But the magazine also reflected the snobberies and prejudices of the upper classes.
▪ Although development is taking place it is mainly benefitting the middle and upper class communities.
▪ He does not though, claim that the upper classes are all-powerful.
▪ Like Margarett, he was a child of the upper class who had declared himself an artist.
▪ In the upper classes women often remained unmarried because their families could not provide sufficient dowries.
working
▪ For Marx and Engels the working class had nothing to lose but their chains of false consciousness.
▪ The dominant class, the capitalists, own and control the means of production and thereby exploit the subordinate working class.
▪ Most central city schools serve primarily poor, working class and minority students.
▪ These later attenders tended to be women who were younger, single, working class.
▪ He posed the question: how do working class kids get working class jobs?
▪ Having established a good working relationship with classes the new teacher may well be able to adopt a freer design with confidence.
▪ The party leadership presumably wants working class unity in the North.
▪ Put it the other way round, what incentives have the police or the white working class got not to be racist?
■ NOUN
action
▪ The only ultimately effective way the worker can resist is through collective class action to overthrow the capitalist mode of production.
▪ The lawsuit later became a class action, representing about 1, 400 current and former black Texaco employees.
▪ Their long-term destiny lies in united working class action and the rejection of other forms of understanding.
▪ A class action can drive you crazy.
▪ A settlement is pending in a recent class action suit against Greyhound.
▪ Sucharow, which represented some of the investors in the class action.
business
▪ The business class and the establishment are not totally closed to outsiders.
▪ While at Stanford law school, she took a business class on entrepreneurship.
▪ The planes have 174 seats - 14 for first class, 30 for business class and 130 economy.
▪ Flying economy class can kill you, and business class isn't much better.
▪ All the while relaxing in one of the biggest business class seats in the business.
▪ The core of the business class makes the important decisions about planning for the future.
▪ Managers below the chief executive level are distinct from the business class itself.
consciousness
▪ At this stage its members have class consciousness and class solidarity.
▪ There is no trace of conceit, arrogance or class consciousness about her.
▪ There has, therefore, been little chance in the past for a political growth of class consciousness among subordinate groups.
▪ This separate class consciousness he endeavored to dispel.
▪ They also encourage the development of false class consciousness.
▪ This pattern is confirmed by analyses of the process underlying the development of class consciousness among workers.
▪ Low levels of class consciousness are exacerbated by clientelism, which links the peasant through personal relationships to some one in another class.
▪ Union commitment grew, in some cases, from pre-existing class consciousness.
difference
▪ There are no social class differences.
▪ Highlighting class differences to emphasize his own down-to-earth roots is nothing new to Dole.
▪ However, there were also marked class differences.
▪ There were some clear social class differences in their answers.
▪ On the other hand, what older people have in common is in some ways more striking than the class differences between them.
▪ Social class differences in fertility are little evident in women who marry between ages 25 to 29.
▪ Then it seemed that class differences were an insurmountable barrier, but this too was not the only answer.
division
▪ But its impact on class inequality ... is to sharpen class division.
▪ Robert Reich and James Fallows are two of the best writers who worry over the new class division in the country.
▪ Status groups can also cut across class divisions.
▪ What has then happened is a class division, of a stable and organized kind, within cultural production.
▪ Amongst themselves the Zuwaya did not divide into classes, nor did any inter-tribal division mark a class division.
▪ They might have to deal directly with the country's ethnic and class divisions.
▪ They claim that the private ownership of capital provides the key to explaining class divisions.
▪ Conflicts which do not appear directly related to class divisions are no minor anomalies.
evening
▪ A popular weekly evening class is the Access Course, which is designed for those considering higher education.
▪ On the downside, college evening classes cost a bundle.
▪ However, the same rule applies to evening classes as to joining clubs - it must be a subject that really interests you.
▪ Its main function was teaching, through evening classes.
▪ Timetable: Morning, afternoon and evening classes.
▪ Many girls worked in minor clerical jobs and were encouraged to learn shorthand and typing skills at evening classes.
▪ A fancy thought popped into his mind then, handed to him by the tutor of his evening class.
member
▪ Please do your best to encourage your class members to come along.
▪ Please collect counterfoils and money from your class members and send to Joan Daniels as soon as possible.
▪ It is possible for teachers and/or class members to attend individual sessions which are taken by different people each week.
▪ It would be necessary to bring along some class members - a fee will be paid.
▪ It is very helpful if the renewal cards can be used, so please take the opportunity to remind all class members.
▪ Please publicise these days to your class members.
▪ Please be on the look-out for talented class members ... especially young ones! 6.
▪ Please encourage class members, their photographic friends and relatives or anyone else wishing to snap subject matter in class.
structure
▪ Weber strongly criticized Marx's attempt to explain all social cleavages as the product of economically based class structures and struggles.
▪ In contrast, where class structures are less developed - both economically and culturally - the political institutions may be inherently weak.
▪ This can be assessed by linking class structure to income distribution figures.
▪ Meanwhile, other areas of the class structure are much less open.
▪ However, the structure of employment is crucial for class structure.
▪ In class structure grammar these form a class.
▪ In giving most people middle-class aspirations it tried to rid the nation of its old-fashioned class structure.
▪ The growth in their numbers this century has led to a longstanding debate about their position in the class structure.
struggle
▪ This was followed by intervention, by an ... intensification of the class struggle, which assumed the form of civil war.
▪ The class approach centers on the examination of the tactics of class domination and the dynamics of the class struggle.
▪ This does not, of course, mean that Marx avoided the problems of class and the class struggle.
▪ Equality in poverty might mean civil population contentment whereas glaring inequalities sow the seeds of a class struggle or revolution.
▪ Concessions which judges make to workers at one moment in the class struggle may be removed at another.
▪ Class and social change Class struggle Marx believed that the class struggle was the driving force of social change.
▪ The first part of his answer appeals to the class struggle.
▪ This romance is duly mirrored in working-class politics - miners are the Clark Gables, the Reds of class struggle.
system
▪ It adds to our reputation as an island still constricted by an ossified class system.
▪ Many criminal actions appear to offer little threat to the capitalist class system.
▪ The class system is all but dead.
▪ Outwardly Britain may have appeared stable; the class system and its accompanying distribution of wealth remained largely unchallenged.
▪ So he picked the one profession that would work around the class system.
▪ Marxist feminism is rather more complicated in that it sees the oppression of women as inextricably linked to the class system.
▪ The teddy bear knows no class system ... and acknowledges no international borders.
world
▪ Now the approach is expanding to include world class quality service.
▪ He became world class by converting opportunity into performance.
▪ Unless we get a WORLD class player ... like a younger Gullit, or maybe Ndlove ... I m seriously disillusioned.
▪ He made at least 5 WORLD class saves, the best to deny Noel Whelan.
▪ Seaman should have saved the first goal, but did make a two world class saves against Berkamp and Rikaard.
▪ This will provide a world class source of environmental consultancy and technical services.
▪ This summer he should break through the 8,000 points mark into truly world class territory.
■ VERB
attend
▪ Sarah and Theodore are attending a literacy class, taught in a shut-down factory, in the nearby city of Le6n.
▪ Many attend classes in, or actually teach, another type of movement; in Norfolk.
▪ He never attended classes and never left his ten-hours-a-day, six-days-a-week job at Midvale.
▪ Soon Horton was told that Alvin was attending classes at last and that the boy might even be gifted.
▪ I used to attend his classes when I was in high school and that was very, very beneficial.
▪ Those activities could include attending a literacy program, doing volunteer work, or attending parenting classes.
teach
▪ In the winter women went to Radcliffe, where Harvard professors taught them in special classes.
▪ Katherine Mansfield is held to be a great writer in the States and taught in their college classes.
▪ I taught a Sunday school class and sang in the church choir, whose members included soldiers stationed at nearby bases.
▪ A continuing programme to investigate, evaluate, and disseminate best practice information on teaching large classes has also been developed.
▪ He taught no high-level classes in black studies; the department, in fact, had no such classes.
▪ I remember teaching a class of social workers who had once received some lectures on Freud.
▪ Father Henry taught catechism to some classes and was, in effect, the priest in the convent chapel.
PHRASES FROM OTHER ENTRIES
First Class/Second Class Honours
cut class/school
▪ She started cutting classes and fighting with her teachers and parents.
▪ But Democratic legislators say the tax cut would cut school funding by more than $ 3 billion.
▪ The conference also approved resolutions to cut class sizes and protect teachers from undue stress.
infant school/teacher/class etc
▪ Ah, but here was a job: the infant teacher was called away for half an hour.
▪ An infant school built in 1840 served both Seaton and Sigglesthorne.
▪ At this time Syeduz was nearly six and in his second term in the infant school.
▪ Children attended infant school until they were seven.
▪ Read in studio An infant school has reopened after being severely damaged by arsonists.
▪ The limit for first-year infants classes will be 27 and for classes of children of mixed ages, 24.
▪ This infant school was sometimes part of a junior school which catered for seven to eleven year olds.
labouring class/family etc
▪ Although in other poems Leapor shows that labouring class women can be desperately unhappy in marriage, she is not unequivocal.
▪ Day schooling was received by only a minority of children from the labouring classes, in some parishes a very tiny one.
▪ Even 2 out of every 3 farm labouring families stayed put and overall 3 out of every 4 households remained virtually the same.
▪ For the most part, however, the labouring classes did not move very far.
▪ His poetry often depicts labouring class life vividly.
▪ Relatively little attention has been paid to the origins of labouring class poetry.
▪ Stephen Duck, however, is not the first instance of a labouring class poet in the eighteenth century.
▪ The claims made for these poems, however, reveal some of the difficulties in a discussion of labouring class poetry.
remedial course/class/teacher etc
▪ About one quarter of entering college students now take at least one remedial course.
▪ Middle-class children thus tend to fill the honors and advanced-placement classes while poor children take the general and remedial classes.
▪ Most of these students take remedial classes in all three fields.
▪ People were appointed to co-ordinate the work of remedial teachers in schools.
▪ Some run efficient remedial courses, which could surely be used for youngsters who had taken a broader sixth-form course.
▪ The Association has branches throughout the country that provide information and hold remedial classes.
▪ Their placement in a remedial course confirmed their suspicions.
▪ These students traverse course after remedial course, becoming increasingly turned off to writing, increasingly convinced that they are hopelessly inadequate.
the chattering classes
▪ Hamlet re-visited, or Art aspiring to the condition of group therapy for the chattering classes?
▪ No ordinary person wants them any more, though they will for years to come provide talking points for the chattering classes.
▪ The chattering classes of Blackheath may find his food digestible enough, but my cellmate Paul was flabbergasted.
the upper class
EXAMPLES FROM OTHER ENTRIES
▪ Doctors are reluctant to prescribe a new class of drugs, especially ones which need to be taken for long periods of time.
▪ French is one of a class of languages known as the Romance languages.
▪ Heidi fainted during French class today!
▪ I'm going out with some friends from my dance class.
▪ I graduated in 1999. What class were you in?
▪ I was talking to a girl in my class about the math homework.
▪ Let's go - I have my first class in 10 minutes!
▪ My dad's going to his 40th class reunion this year.
▪ People were excluded from education based on class and race.
▪ She gets along well with the other children in her class.
▪ Some people argue that class distinctions do not exist in the U.S., but this is untrue.
▪ Success in this country seems to be based on class rather than on ability.
▪ The old class system is slowly disappearing.
▪ the professional and managerial classes
▪ The Republicans are promising tax cuts for the middle class.
▪ The treaty called for the elimination of an entire class of nuclear weapons.
▪ There are twenty kids in the class.
▪ There is a clear link between social class and educational achievement.
▪ Today we only had a small class of ten people.
▪ When's your next class?
EXAMPLES FROM CORPUS
▪ After they had used swear words once in class, he argued, they would never use them again.
▪ But all important ones must pass through that process, and ours certainly falls into that class.
▪ Marxism, my friend, has studied economics and the social classes.
▪ Moreover, there is no doubt that in large classes this practice can ease the burden on the class teacher.
▪ One day I changed from second class to high class.
▪ See, I spent two years of core classes and you get to meet all the professors.
▪ Special classes of applicant Like other institutions the Polytechnic has paid increased attention to the recruitment of overseas students in recent years.
▪ Ten years ago, fewer than 100 Harvard students took entrepreneur classes, he said.
II.verb
PHRASES FROM OTHER ENTRIES
First Class/Second Class Honours
infant school/teacher/class etc
▪ Ah, but here was a job: the infant teacher was called away for half an hour.
▪ An infant school built in 1840 served both Seaton and Sigglesthorne.
▪ At this time Syeduz was nearly six and in his second term in the infant school.
▪ Children attended infant school until they were seven.
▪ Read in studio An infant school has reopened after being severely damaged by arsonists.
▪ The limit for first-year infants classes will be 27 and for classes of children of mixed ages, 24.
▪ This infant school was sometimes part of a junior school which catered for seven to eleven year olds.
labouring class/family etc
▪ Although in other poems Leapor shows that labouring class women can be desperately unhappy in marriage, she is not unequivocal.
▪ Day schooling was received by only a minority of children from the labouring classes, in some parishes a very tiny one.
▪ Even 2 out of every 3 farm labouring families stayed put and overall 3 out of every 4 households remained virtually the same.
▪ For the most part, however, the labouring classes did not move very far.
▪ His poetry often depicts labouring class life vividly.
▪ Relatively little attention has been paid to the origins of labouring class poetry.
▪ Stephen Duck, however, is not the first instance of a labouring class poet in the eighteenth century.
▪ The claims made for these poems, however, reveal some of the difficulties in a discussion of labouring class poetry.
remedial course/class/teacher etc
▪ About one quarter of entering college students now take at least one remedial course.
▪ Middle-class children thus tend to fill the honors and advanced-placement classes while poor children take the general and remedial classes.
▪ Most of these students take remedial classes in all three fields.
▪ People were appointed to co-ordinate the work of remedial teachers in schools.
▪ Some run efficient remedial courses, which could surely be used for youngsters who had taken a broader sixth-form course.
▪ The Association has branches throughout the country that provide information and hold remedial classes.
▪ Their placement in a remedial course confirmed their suspicions.
▪ These students traverse course after remedial course, becoming increasingly turned off to writing, increasingly convinced that they are hopelessly inadequate.
the upper class
EXAMPLES FROM OTHER ENTRIES
▪ This prison houses the most dangerous criminals in Britain, those classed as "category A'.
EXAMPLES FROM CORPUS
▪ Respondent: No I wouldn't, I wouldn't class them as being Northumbrians.
The Collaborative International Dictionary
Class

Class \Class\ (kl[.a]s), n. [F. classe, fr. L. classis class, collection, fleet; akin to Gr. klh^sis a calling, kalei^n to call, E. claim, haul.]

  1. A group of individuals ranked together as possessing common characteristics; as, the different classes of society; the educated class; the lower classes.

  2. A number of students in a school or college, of the same standing, or pursuing the same studies.

  3. A comprehensive division of animate or inanimate objects, grouped together on account of their common characteristics, in any classification in natural science, and subdivided into orders, families, tribes, genera, etc.

  4. A set; a kind or description, species or variety.

    She had lost one class energies.
    --Macaulay.

  5. (Methodist Church) One of the sections into which a church or congregation is divided, and which is under the supervision of a class leader.

    Class of a curve (Math.), the kind of a curve as expressed by the number of tangents that can be drawn from any point to the curve. A circle is of the second class.

    Class meeting (Methodist Church), a meeting of a class under the charge of a class leader, for counsel and relegious instruction.

Class

Class \Class\ (kl[.a]s), v. t. [imp. & p. p. Classed (kl[.a]st); p. pr. & vb. n. Classing.] [Cf. F. classer. See Class, n.]

  1. To arrange in classes; to classify or refer to some class; as, to class words or passages.

    Note: In scientific arrangement, to classify is used instead of to class.
    --Dana.

  2. To divide into classes, as students; to form into, or place in, a class or classes.

Class

Class \Class\, v. i. To be grouped or classed.

The genus or family under which it classes.
--Tatham.

Class

Class \Class\ (kl[.a]s), a. exhibiting refinement and high character; as, a class act. Opposite of low-class [informal]

Syn: high-class. [PJC]

Douglas Harper's Etymology Dictionary
class

c.1600, "group of students," from French classe (14c.), from Latin classis "a class, a division; army, fleet," especially "any one of the six orders into which Servius Tullius divided the Roman people for the purpose of taxation;" traditionally originally "the people of Rome under arms" (a sense attested in English from 1650s), and thus akin to calare "to call (to arms)," from PIE root *kele- (2) "to shout" (see claim (v.)). In early use in English also in Latin form classis.\n

\nSchool and university sense of "course, lecture" (1650s) is from the notion of a form or lecture reserved to scholars who had attained a certain level. Natural history sense is from 1753. Meaning "a division of society according to status" (upper, lower, etc.) is from 1772. Meaning "high quality" is from 1847. Class-consciousness (1903) is from German klassenbewusst.

class

1705, "to divide into classes," from class (n.) or French classer. Sense of "to place into a class" is from 1776. Related: Classed; classing.

Wiktionary
class
  1. (context Irish British slang English) great; fabulous n. (context countable English) A group, collection, category or set sharing characteristics or attributes. v

  2. (context transitive English) To assign to a class; to classify.

WordNet
class
  1. n. people having the same social or economic status; "the working class"; "an emerging professional class" [syn: social class, socio-economic class]

  2. a body of students who are taught together; "early morning classes are always sleepy" [syn: form, grade]

  3. education imparted in a series of lessons or class meetings; "he took a course in basket weaving"; "flirting is not unknown in college classes" [syn: course, course of study, course of instruction]

  4. a collection of things sharing a common attribute; "there are two classes of detergents" [syn: category, family]

  5. a body of students who graduate together; "the class of '97"; "she was in my year at Hoehandle High" [syn: year]

  6. a league ranked by quality; "he played baseball in class D for two years"; "Princeton is in the NCAA Division 1-AA" [syn: division]

  7. elegance in dress or behavior; "she has a lot of class"

  8. (biology) a taxonomic group containing one or more orders

class

v. arrange or order by classes or categories; "How would you classify these pottery shards--are they prehistoric?" [syn: classify, sort, assort, sort out, separate]

Wikipedia
CLASS

CLASS can refer to:

  • Canadian Land Surface Scheme, for use in large scale climate models
  • Canadian Light Aircraft Sales and Service, a Canadian aircraft manufacturer
  • Class (warez), a group from 1997 to 2004
  • College of Liberal Arts and Social Sciences, an academic college at the University of Houston
  • Cosmology Large Angular Scale Surveyor, an experiment to measure the polarization of the cosmic microwave background
  • Custom Local Area Signaling Services, which describes telephony terms e.g. call waiting, caller ID
Class (film)

Class is a 1983 American romantic comedy-drama film, directed by Lewis John Carlino, starring Jacqueline Bisset, Rob Lowe and Cliff Robertson, and is also the film debut of Andrew McCarthy, John Cusack, Virginia Madsen, Lolita Davidovich and Alan Ruck.

Class (warez)

CLASS (CLS) was a warez group that existed between January 1, 1997 and January 9, 2004. The group was the target of federal raids such as Operation Fastlink.

Class (CBBC series)

Class is a British television programme, which airs on CBBC. It is a comedy sketch show set in a school. The main characters are all played by Sam Nixon and Mark Rhodes who are one of CBBC's most popular duos. The single thirty-minute episode of Class was produced in aid of Comic Relief.

Class (2016 TV series)

Class is an upcoming British science fiction drama series, a spin-off from Doctor Who. It will consist of eight episodes, and is set to premiere on BBC Three in 2016. It will be produced by Derek Ritchie, who previously produced episodes for the ninth series of Doctor Who.

Class (computer programming)

In object-oriented programming, a class is an extensible program-code-template for creating objects, providing initial values for state ( member variables) and implementations of behavior (member functions or methods). In many languages, the class name is used as the name for the class (the template itself), the name for the default constructor of the class (a subroutine that creates objects), and as the type of objects generated by instantiating the class; these distinct concepts are easily conflated.

When an object is created by a constructor of the class, the resulting object is called an instance of the class, and the member variables specific to the object are called instance variables, to contrast with the class variables shared across the class.

In some languages, classes are only a compile-time feature (new classes cannot be declared at runtime), while in other languages classes are first-class citizens, and are generally themselves objects (typically of type Class or similar). In these languages, a class that creates classes is called a metaclass.

Class (set theory)

In set theory and its applications throughout mathematics, a class is a collection of sets (or sometimes other mathematical objects) that can be unambiguously defined by a property that all its members share. The precise definition of "class" depends on foundational context. In work on Zermelo–Fraenkel set theory, the notion of class is informal, whereas other set theories, such as Von Neumann–Bernays–Gödel set theory, axiomatize the notion of "proper class", e.g., as entities that are not members of another entity.

A class that is not a set (informally in Zermelo–Fraenkel) is called a proper class, and a class that is a set is sometimes called a small class. For instance, the class of all ordinal numbers, and the class of all sets, are proper classes in many formal systems.

Outside set theory, the word "class" is sometimes used synonymously with "set". This usage dates from a historical period where classes and sets were not distinguished as they are in modern set-theoretic terminology. Many discussions of "classes" in the 19th century and earlier are really referring to sets, or perhaps to a more ambiguous concept.

Class (biology)

In biological classification, class is:

  • a taxonomic rank. Other well-known ranks in descending order of size are life, domain, kingdom, phylum, order, family, genus, and species, with class fitting between phylum and order. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the prefix sub-: subclass (Latin: subclassis).
  • a taxonomic unit, a taxon, in that rank. In that case the plural is classes (Latin classes)

The composition of each class is determined by a taxonomist. Often there is no exact agreement, with different taxonomists taking different positions. There are no hard rules that a taxonomist needs to follow in describing a class, but for well-known animals there is likely to be consensus. For example, dogs are usually assigned to the phylum Chordata (animals with notochords); in the class Mammalia; in the order Carnivora.

In botany, classes are now rarely discussed. Since the first publication of the APG system in 1998, which proposed a taxonomy of the flowering plants up to the level of orders, many sources have preferred to treat ranks higher than orders as informal clades. Where formal ranks have been assigned, the ranks have been reduced to a very much lower level, e.g. class Equisitopsida for the land plants, with the major divisions within the class assigned to subclasses and superorders.

Class (philosophy)

In at least one source, a "class" is a set in which an individual member can be recognized in one or both of two ways: a) it is included in an extensional definition of the whole set (a list of set members) b) it matches an Intensional definition of one set member. By contrast, a "type" is an intensional definition; it is a description that is sufficiently generalized to fit every member of a set.

Philosophers sometimes distinguish classes from types and kinds. We can talk about the class of human beings, just as we can talk about the type (or natural kind), human being, or humanity. How, then, might classes differ from types? One might well think they are not actually different categories of being, but typically, while both are treated as abstract objects, classes are not usually treated as universals, whereas types usually are. Whether natural kinds ought to be considered universals is vexed; see natural kind.

There is, in any case, a difference in how we talk about types or kinds. We say that Socrates is a token of a type, or an instance of the natural kind, human being. But notice that we say instead that Socrates is a member of the class of human beings. We would not say that Socrates is a "member" of the type or kind, human beings. Nor would we say he is a type (or kind) of a class. He is a token (instance) of the type (kind). So the linguistic difference is: types (or kinds) have tokens (or instances); classes, on the other hand, have members.

The concept of a class is similar to the concept of a set defined by its members. Here, the class is extensional. If, however, a set is defined intensionally, then it is a set of things that meet some requirement to be a member. Thus, such a set can be seen as creating a type. Note that it also creates a class from the extension of the intensional set. A type always has a corresponding class (though that class might have no members), but a class does not necessarily have a corresponding type.

Class (education)

A class in education has a variety of related meanings.

It can be the group of students which attends a specific course or lesson at a university, school, or other educational institution, see Form (education).

It can refer to a course itself, e.g., a class in Shakespearean drama.

It can be the group of students at the same level in an institution: the freshman class; or the group of students which graduates from the institution at the same time: the Class of 2005 ( cf. alumnus/a). The term can be used in a slightly more general context, such as "the graduating class."

It can also refer to the classroom, in the building or venue where such a lesson is conducted.

In some countries' educational systems (such as Taiwan's), it can refer to a subdivision of the students in an academic department, consisting of a cohort of students of the same academic level. For example, a department's sophomores may be divided into three classes.

In countries such as the Republic of Ireland, India, Germany, and in the past Sweden, the word can mean a grade: 1st class is ages 4–5, 2nd class is ages 6–7, 3rd class is ages 8–9, 4th class is ages 9–10, 5th class is ages 10–11, 6th class is ages 11–12, and 9th class is ages 14–15, class 10 is ages 15-16 & class 12th is ages 17-18.

Class (locomotive)

Class (locomotive) refers to a group of locomotives built to a common design for a single railroad. Often members of a particular class had detail variations between individual examples, and these could lead to subclasses. Sometimes technical alterations (especially rebuilding, superheating, re-engining, etc.) move a locomotive from one class to another. Different railways had different systems, and sometimes one railway (or its successors) used different systems at different times and for different purposes, or applied those classifications inconsistently. Sometimes therefore it is not clear where one class begins and another ends. The result is a classic example of the Lumper splitter problem.

Class (knowledge representation)

In knowledge representation, a class is a collection of individuals or objects. A class can be defined either by extension, or by intension, using what is called in some ontology languages like OWL. If we follow the Type–token distinction, the ontology is divided into individuals, who are real worlds objects, or events, and types, or classes, who are sets of real world objects. Class expressions or definitions gives the properties that the individuals must fulfill to be members of the class. Individuals that fulfill the property are called Instances.

Usage examples of "class".

In high school, one of my all-time favorite pranks was gaining unauthorized access to the telephone switch and changing the class of service of a fellow phone phreak.

Floyt, an Earthservice accessor of the grade functionary third class, it was all quite intoxicating.

The reds, as a rule, are affected by acids, and, therefore, it is not possible to use an acid bath with Benzopurpurine, Congo red, with the possible exception of the Titan reds and scarlets, Diamine scarlet, Benzo fast scarlet, Purpuramine, which are faster to acetic acid than the other reds of this class of dye-stuffs.

Alizarines and most of this class of dye-stuffs dye better in a slightly acid bath it is advisable to add a small quantity of acetic acid, say about one pint to every 100 lb.

To begin with, the four different classes were not hereditary but in time they became so, probably led by the Brahmans, whose task of memorising the Vedas was more easily achieved if fathers could begin teaching their sons early on.

The employment of other medicines frequently should be preceded by the administration of an agent of this class, to neutralize excessive acidity in the stomach and bowels.

Each great natural family has requisites that define it, and the characters that make it recognizable are the nearest to these fundamental conditions: thus, reproduction being the major function of the plant, the embryo will be its most important part, and it becomes possible to divide the vegetable kingdom into three classes: acotyledons, monocotyledons, and dicotyledons.

The proposed acquiescence of the National Executive in any reasonable temporary State arrangement for the freed people is made with the view of possibly modifying the confusion and destitution which must at best attend all classes by a total revolution of labor throughout whole States.

But the reader who recollects the class of texts adduced a little while since will remember that an opposite conclusion was as unequivocally drawn from them.

They were within seventy-five meters of the admin center before Seaman First Class Broward noticed the pattern.

Orange was hailed with approbation and delight by the Catholic leaders, those promoted by Adrets excited such a storm of indignation, among the Huguenots of all classes, that he shortly afterwards went over to the other side, and was found fighting against the party he had disgraced.

Various worse than useless devices are advertised by quacks, who, as a class, are afraid to undertake surgical treatment for the cure of varicocele.

Roy instructed a class of young seamen in the management of the Prescott type of aeroplane, which has become the official aero scout of the United States Navy.

He was very affable, and visited every part of the ship, and all the amusements which had been prepared for the different classes of persons.

It was the difference between the manners of Tewksbury and Tuscumbia, between being brought up amid the cruelties of the almshouse and the affectionate warmth of an upper-middle-class Southern home, between an Irish cultural heritage of black pessimism and hot hatred of patronizing rulers and the genial, self-confident outlook of a class that despite the Civil War was still master.