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Longman Dictionary of Contemporary English

variable

I.adjective

COLLOCATIONS FROM CORPUS

■ ADVERB

highly

▪ The rather specific environmental requirements of salt weathering mean that its action is spatially highly variable.

▪ The period-to-period growth in offshore deposits at times has been highly variable relative to the growth in domestic deposits.

▪ The attitude of employers to domestic responsibilities is of considerable importance and highly variable.

▪ These fish are highly variable in color and pattern.

▪ Communication Colour is more important to fish than to mammals and birds, and in fish it is often highly variable.

▪ Although it was policy for all children to be welcome in council provision, in reality this was highly variable.

▪ Staining times in particular are highly variable, and those given herein should only be used as a starting point.

▪ The amount of delegation that occurs is thus highly variable and seldom entirely predictable.

infinitely

▪ The sensor can be adjusted through 180° horizontally and 90° vertically, so the detection zone is therefore almost infinitely variable.

▪ Combinations are infinitely variable and the ultimate choice of elements will be determined by the requirements of a particular application.

■ NOUN

cost

▪ In reality variable costs do not behave strictly in this manner.

▪ Fixed costs should be separated from variable costs.

▪ Where is a measure of the relative factor intensities in fixed and variable costs.

▪ At the same time, assume that variable costs per unit decline to $ 340.

▪ On many farms, there's still plenty of scope in the variable costs, believes Aubourn Farming agronomist Nick Bleach.

▪ Shipping and receiving costs, on the other hand, are variable costs.

▪ So the impact of changes in entrance charges on the frequency decision by participants is diluted by the other variable costs.

▪ Fixed costs and inter-divisional profit are thus transformed into variable costs.

costs

▪ In reality variable costs do not behave strictly in this manner.

▪ Fixed costs should be separated from variable costs.

▪ Where is a measure of the relative factor intensities in fixed and variable costs.

▪ At the same time, assume that variable costs per unit decline to $ 340.

▪ On many farms, there's still plenty of scope in the variable costs, believes Aubourn Farming agronomist Nick Bleach.

▪ Shipping and receiving costs, on the other hand, are variable costs.

▪ So the impact of changes in entrance charges on the frequency decision by participants is diluted by the other variable costs.

▪ Fixed costs and inter-divisional profit are thus transformed into variable costs.

factor

▪ In fact the most variable factor in the study of consumer demand for recreation is the tastes of the consumers.

▪ These variable factors include the depth of the water, its temperature and transparency, and its velocity, among others.

▪ Possibly the most variable factor is you, the smallholder.

interest

▪ At the end of the five years the society's variable interest rate will apply.

▪ People who are paying off a mortgage at a variable interest rate seem to have more to celebrate.

▪ Interest rates have edged down, and more banks are switching to variable interest rates pegged to their prime lending rate.

length

▪ It offers Structured Query Language and transaction management capabilities with multi-valued fields, variable length records and dynamic re-structuring.

▪ Binary tree to generate variable length codes Fig. 3.

▪ Further data formats are also provided, for variable length fixed-point binary arithmetic and fixed-length floating-point binary arithmetic.

quality

▪ For many years secondment has been a local activity of variable quality and quantity.

▪ One of the most notable features of this mosaic is its. variable quality of draughtsmanship and execution.

▪ With second-hand bricks you may have to accept variable quality.

▪ The structural formulae and figures are, however, of variable quality.

▪ However the research has been of variable quality, there are conflicting findings, and the full implications for practice remain unclear.

▪ Summary: A long, north facing wall of variable quality limestone.

▪ Gozitan wine is cheap but just recently has been of variable quality.

rate

▪ Both Kemira and Hydro have been developing systems that turn the data into variable rate fertiliser application recommendations.

▪ Interest rates continue to fall, giving crucial help to debtors, most of whose loans have variable rates.

▪ Those who pay the standard variable rate are subsidising the preferential rates enjoyed by other more cost-conscious borrowers.

▪ Compare and contrast fixed rate and variable rate loans. 3.

▪ At the beginning of the first year, the fixed rate was 13.25% at a time when the variable rate was 15.25%.

▪ Closer inspection of its standard variable rates reveal that its charges are pretty steep.

▪ At the end of the period, your loan reverts to the lender's standard variable rate.

▪ Then there is a variable rate loan.

speed

▪ Our drill had variable speed, reverse action and, of course, hammer action.

▪ Single, two-speed or variable speed drives are available on the new Interstore.

▪ Two machines already have variable speed drives.

▪ New chip technology that will give a variable speed drive is also being introduced with a replacement control panel.

▪ The transition from Romanesque to Gothic proceeded at a variable speed in differing countries.

▪ The only controls are a variable speed dial mounted on the top of the trigger, and a small lock-on button.

▪ Such a large sanding area and variable speed are luxuries that many hone improvers may find unnecessary.

EXAMPLES FROM OTHER ENTRIES

▪ Demand for the company's products is variable.

▪ Medical insurance coverage in foreign countries is highly variable.

▪ The drill has variable speeds.

▪ The weather here is likely to be very variable.

EXAMPLES FROM CORPUS

▪ Brain maps are just as variable as faces.

▪ Hedgehog cacti are variable in form, but many are barrel shaped or globular.

▪ Information regarding variable ventilation efficacy and levels of formaldehyde and micro-organism concentrations were sought.

▪ The return will be variable, as building societies change the rates paid to investors.

▪ This process of elaborating a concept and moving toward empirical indicators is the crucial step in variable analysis.

▪ We now have two documents: a template of the shell text and a variable list.

II.noun

COLLOCATIONS FROM CORPUS

■ ADJECTIVE

basic

▪ These are an abstraction of real systems or processes which are used to represent the basic variable and constant features.

▪ This gives M I s, but a basis must contain 2M-1 variables, so we need among the basic variables.

▪ If x i j is the first basic variable chosen, this means putting.

▪ To ensure that the new basis is alternating, we will make a basic variable in row I non-basic.

▪ This step is repeated until basic variables have been chosen.

▪ Since M 3, N 4, there are 6 basic variables to be found.

▪ The difference equations for the basic variables are: where and.

▪ While some basic variables remain infeasible, the rule for selection of the variable to leave the basis needs modification.

different

▪ In addition to the different values that variables assume, they can either be dependent or independent.

▪ The second it to ask the suppliers to provide information on the correlation between different census variables and the various geodemographic systems.

▪ Linear regression was used for comparison with different variables.

▪ Other criticisms concerned the impossibility of disentangling the effects of different variables.

▪ The programme has examined the extent to which different variables are sensitive to changes in the level of clustering.

▪ In determinist terms, this is explained by the virtually infinite complexity of different constellations of different causal variables in individual cases.

▪ Consequently, the number of subjects varied when different explanatory variables were used.

▪ Similarly, there may be no control over the consequences of changing the different variables and there may be unforeseen consequences.

economic

▪ Thus, institutional design appears to be an important intervening variable between socio-#economic variables and democratic performance.

▪ Despite this assertion some economists and bankers believe exchange rates can be forecast by examination of key economic variables.

▪ Leading indicator variables are particular economic variables that have a proven ability to signal the movement of the economy in advance.

▪ Marxists, for example, assume that in the last instance economic variables take precedence over cultural, political variables.

important

▪ An important variable in buyer behaviour is usage rate.

▪ Have you overlooked some other important variable that might affect the relationship between gender and voting?

▪ Thus, institutional design appears to be an important intervening variable between socio-economic variables and democratic performance.

▪ The relationship between these three important variables is supposed to determine the characteristics of a state of temporary equilibrium.

▪ In trying to summarise these findings, it may be said that linguistic knowledge does appear to be the important variable.

▪ It was the fact of the experiment that was the important independent variable, not the ones that Mayo was working with.

▪ The most important of these variables is probably the heating of the plate margin since this will affect its thickness and strength.

▪ The authors explore the idea that causal attributions made by survivors about their experience are an important mediating variable.

key

▪ It consists of the key marketing variables that are offered to a market at a particular point in time.

▪ The key variable is the Labrador Current.

▪ One other key variable that has traditionally been used to delineate rural areas is the percentages employed in agriculture and forestry.

▪ Despite this assertion some economists and bankers believe exchange rates can be forecast by examination of key economic variables.

▪ Certain key variables highlighted by Grant and Wallace correspond to those factors considered especially crucial by the flashpoints model.

▪ This hazard function approach measured the impact of key exogenous variables, such as unemployment benefits, on unemployment duration.

▪ The original proposal documents from the firms offer key accounting variables.

▪ An important element of this is to have all key variables in the manufacture of these raw materials under process control.

■ VERB

affect

▪ Summary Work goals are affected by numerous situational variables.

consider

▪ For gastric acid secretion, basal serum gastrin was considered in addition to these three variables.

▪ Before moving on to consider the different variables, the question of timing should not be overlooked.

define

▪ When defining a dynamic variable you describe what the variable can look like in the Type section.

▪ Measuring a variable is synonymous with defining that variable.

▪ This process is also known as operationally defining variables.

determine

▪ Logistic regression models were used to determine which variables significantly and independently could predict bacterial pneumonia and to adjust for potential confounders.

▪ Mathematical modelling can determine theoretically ideal laser variables for treating port wine stains.

identify

▪ Yet aposematic coloration has not always evolved among kin-grouped prey and we need to identify the variables that are of evolutionary importance.

▪ It also helped in identifying important variables which had not previously been thought to be particularly interesting.

▪ It is also the aim of the project to identify which variables influence these similarities and differences.

▪ Which is more important and can we clearly identify the key variable?

include

▪ The models may be extended to include observable explanatory variables and simultaneity can be allowed for as in econometric models.

▪ Solving the pendulum problem requires one to exclude rather than include variables.

▪ If the algorithm is to do all we want, contexts should be allowed to include some variables too.

▪ The mathematics includes equations relating variables and allowing the values of some to be deduced, given the values of others.

▪ Birth weight and gestational age were included as continuous variables.

▪ However, it is argued that for cost accounting purposes it is too complex to include more than one independent variable.

measure

▪ Since no survey ever measures all variables, this requirement is never met in full.

▪ The search may lead you back to your literature where much discussion was focused on measuring variables.

▪ The strategy is innate, though the program must include steps for measuring the relevant variables when necessary.

▪ The process of describing and measuring variables is in fact a process of defining terms and concepts.

▪ The schedule will also include the instruments measuring your primary variables.

▪ The researcher is trying to determine if the definition through operationalizing the measurement of a variable validly measures that variable.

relate

▪ The mathematics includes equations relating variables and allowing the values of some to be deduced, given the values of others.

▪ There would be no need for a choice between economic objectives if they were all uniformly related to one controllable variable.

EXAMPLES FROM OTHER ENTRIES

▪ There are too many variables to predict who will win the war.

EXAMPLES FROM CORPUS

▪ One variable or factor is altered at a time while all others remain constant.

▪ The formula attains a high mark when a diversity of variables is woven into a unified design.

▪ The key variable is the Labrador Current.

▪ The models may be extended to include observable explanatory variables and simultaneity can be allowed for as in econometric models.

▪ These variables are only known locally to the defining procedure or function.

▪ This time, extraneous variables that might affect worker productivity would be tightly controlled.

▪ This was used to infer values of the Census variables for households which never returned a form.

The Collaborative International Dictionary

Variable

Variable \Va"ri*a*ble\, n.

That which is variable; that which varies, or is subject to change.
(Math.) A quantity which may increase or decrease; a quantity which admits of an infinite number of values in the same expression; a variable quantity; as, in the equation x^ 2 - y^ 2 = R^ 2, x and y are variables.
(Naut.)
1. A shifting wind, or one that varies in force.
2. pl. Those parts of the sea where a steady wind is not expected, especially the parts between the trade-wind belts.
  
  Independent variable (Math.), that one of two or more variables, connected with each other in any way whatever, to which changes are supposed to be given at will. Thus, in the equation x^ 2 - y^ 2 = R^ 2, if arbitrary changes are supposed to be given to x, then x is the independent variable, and y is called a function of x. There may be two or more independent variables in an equation or problem. Cf. Dependent variable, under Dependent.

Variable

Variable \Va"ri*a*ble\, a. [L. variabilis: cf. F. variable.]

Having the capacity of varying or changing; capable of alternation in any manner; changeable; as, variable winds or seasons; a variable quantity.
Liable to vary; too susceptible of change; mutable; fickle; unsteady; inconstant; as, the affections of men are variable; passions are variable.

Lest that thy love prove likewise variable.
--Shak.

His heart, I know, how variable and vain!
--Milton.

Variable exhaust (Steam Eng.), a blast pipe with an adjustable opening.

Variable quantity (Math.), a variable.

Variable stars (Astron.), fixed stars which vary in their brightness, usually in more or less uniform periods.

Syn: Changeable; mutable; fickle; wavering; unsteady; versatile; inconstant.

Douglas Harper's Etymology Dictionary

variable

late 14c., of persons, "apt to change, fickle," from Old French variable "various, changeable, fickle," from Late Latin variabilis "changeable," from variare "to change" (see vary). Of weather, seasons, etc., attested from late 15c.; of stars, from 1788.

variable

"quantity that can vary in value," 1816, from variable (adj.) in mathematical sense of "quantitatively indeterminate" (1710). Related: Variably; variability.

Wiktionary

variable

a. 1 Able to vary. 2 Likely to vary. 3 Marked by diversity or difference. 4 (context mathematics English) Having no fixed quantitative value. 5 (context biology English) Tending to deviate from a normal or recognized type. n. 1 Something that is #Adjective. 2 Something whose value may be dictated or discovered.

WordNet

variable

adj. liable to or capable of change; "rainfall in the tropics is notoriously variable"; "variable winds"; "variable expenses" [ant: invariable]
marked by diversity or difference; "the varying angles of roof slope"; "nature is infinitely variable" [syn: varying]
(used of a device) designed so that a property (as e.g. light) can be varied; "a variable capacitor"; "variable filters in front of the mercury xenon lights"
n. something that is likely to vary; something that is subject to variation; "the weather is one variable to be considered"
a quantity that can assume any of a set of values [syn: variable quantity]
a star that varies noticeably in brightness [syn: variable star]
a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity

Wikipedia

Variable

Variable may refer to:

Variable (research), a logical set of attributes
Variable (mathematics), a symbol that represents a quantity in a mathematical expression, as used in many sciences
Variable (computer science), a symbolic name associated with a value and whose associated value may be changed
Dependent and independent variables in statistics

Variable (mathematics)

In elementary mathematics, a variable is an alphabetic character representing a number, called the value of the variable, which is either arbitrary or not fully specified or unknown. Making algebraic computations with variables as if they were explicit numbers allows one to solve a range of problems in a single computation. A typical example is the quadratic formula, which allows one to solve every quadratic equation by simply substituting the numeric values of the coefficients of the given equation to the variables that represent them.

The concept of variable is also fundamental in calculus. Typically, a function involves two variables, and , representing respectively the value and the argument of the function. The term "variable" comes from the fact that, when the argument (also called the "variable of the function") varies, then the value varies accordingly.

In more advanced mathematics, a variable is a symbol that denotes a mathematical object, which could be a number, a vector, a matrix, or even a function. In this case, the original property of "variability" of a variable is not kept (except, sometimes, for informal explanations).

Similarly, in computer science, a variable is a name (commonly an alphabetic character or a word) representing some value represented in computer memory. In mathematical logic, a variable is either a symbol representing an unspecified term of the theory, or a basic object of the theory, which is manipulated without referring to its possible intuitive interpretation.

Variable (computer science)

In computer programming, a variable or scalar is a storage location paired with an associated symbolic name (an identifier), which contains some known or unknown quantity of information referred to as a value. The variable name is the usual way to reference the stored value; this separation of name and content allows the name to be used independently of the exact information it represents. The identifier in computer source code can be bound to a value during run time, and the value of the variable may thus change during the course of program execution.

Variables in programming may not directly correspond to the concept of variables in mathematics. The value of a computing variable is not necessarily part of an equation or formula as in mathematics. In computing, a variable may be employed in a repetitive process — assigned a value in one place, then used elsewhere, then reassigned a new value and used again in the same way (see iteration). Variables in computer programming are frequently given long names to make them relatively descriptive of their use, whereas variables in mathematics often have terse, one- or two-character names for brevity in transcription and manipulation.

A variable storage location may be referred by several different identifiers, a situation known as aliasing. Assigning a value to the variable using one of the identifiers will change the value that can be accessed through the other identifiers.

Compilers have to replace variables' symbolic names with the actual locations of the data. While a variable's name, type, and location often remain fixed, the data stored in the location may be changed during program execution.

Usage examples of "variable".

Chapter VII Instinct Instincts comparable with habits, but different in their origin -- Instincts graduated -- Aphides and ants -- Instincts variable -- Domestic instincts, their origin -- Natural instincts of the cuckoo, ostrich, and parasitic bees -- Slave-making ants -- Hive-bee, its cell-making instinct - - Difficulties on the theory of the Natural Selection of instincts -- Neuter or sterile insects -- Summary.

And yet, there was nothing surprising in that, for everything is variable in the austral seas.

There are three key variables that will define this struggle, variables that act in the realm between the common and the singular, between the axiomatic of command and the self-identification of the subject, and between the production of subjectivity by power and the autonomous resistance of the subjects themselves.

My previous tests have been made too late to learn the exact rate of coagulation, which may be variable.

It contains five million three hundred thousand cryotrons and is capable of dealing simultaneously with over one hundred thousand variables.

The one thing which everywhere is variable and evanescent, is evil, or the imperfect adjustment of the creature with the works and designs of the Creator.

It was obviously encrypted, but what sort of a code: logarithmic, exponential, random, or variable sequential?

The variable opulence of some of her new friends caused a forest of ambitious ideas to spring up in the mind of Mademoiselle Mimi, who up until then had only had modest tastes, and was content with the necessaries of life that Rodolphe did his best to procure for her.

Through the use of phenothiazine spansules he realized, which act over a period of hours at a variable rate.

VARIABLE BALLAST TANKS Tanks used to hold seawater for added weight, or conversely, seawater tanks that can be pumped out or blown out to lighten the ship.

Through the social development of capital, the mechanisms of modern sovereignty-the processes of coding, overcoding, and recoding that imposed a transcendent order over a bounded and segmented social terrain-are progressively replaced by an axiomatic: that is, a set of equations and relationships that determines and combines variables and coefficients immediately and equally across various terrains without reference to prior and fixed definitions or terms.

This is a subacute or chronic form of inflammation of the mucous membrane of the bronchial tubes, of a very persistent character and variable intensity.

To accept uploading, that, too, is wrong in her mind: She will not admit her identity is a variable, not a constant.

To accept uploading, that, too, is wrong in her mind: she will not admit her identity is a variable, not a constant.

The action of these vortices is proved to be of variable force, whether arising from atmospheric conditions, or due to an increased activity of the ethereal medium throughout the whole system, is at present immaterial.