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Longman Dictionary of Contemporary English
a laboratory experiment (=one that takes place in a laboratory)
▪ They did a series of laboratory experiments on human sleep patterns in the 1960s.
laboratory tests
▪ Independent laboratory tests have confirmed that the product works very successfully.
language laboratory
▪ Quantitative microbial analysis of bone collected during implant surgery: a clinical and laboratory study.
▪ The university patent counsel had heard about it and thought it would make lots of money in clinical laboratories.
▪ After the discovery was published, at least 12 laboratories independently found direct clinical or laboratory evidence to support the result.
▪ Agar gel and cellulose acetate are the more commonly used media in the routine clinical laboratory. 189.
▪ A study is under way that includes a large number of patients and their specific clinical and laboratory findings.
▪ However, this study has been criticized on both clinical and laboratory grounds.
▪ The clinical indices and laboratory measurements were made within one week of having the bowel scan.
▪ The scan score correlates well with widely used clinical and laboratory markers of disease activity.
▪ The forensic laboratory has a good deal of work to do on his clothes, and the contents of his pockets.
▪ They found the jacket had been bleached - forensic laboratories could find no trace of blood.
▪ Horton, from the forensic laboratory, had arrived.
▪ The team from the Fulham forensic laboratories.
▪ It recommends new laboratories to study the possibilities of long-term storage.
▪ Just think, you could equip a whole new physics laboratory.
▪ The group's activities are located in new purpose built laboratories.
▪ A further £8.5m is being spent on new mortuary and laboratory services and an extension to the School of Dentistry.
▪ It is hoped that the Lancaster workshop will make use of a new statistical laboratory equipped with Whitechapel workstations.
▪ A new international laboratory might be set up elsewhere to pursue related physics with different machines.
▪ In 1901 he left Firths to start a new laboratory for Kayser Ellison &038; Co.
▪ Researchers at Gloucesters public health laboratories have been carrying out a long term study into more than three hundred cases of meningitis.
▪ Automatic and direct reporting from physicians' offices, hospitals, and private and public laboratories.
▪ Establish a public health laboratory fellowship in infectious diseases.
▪ Finally, in parentheses is the laboratory analysis number.
▪ Accordingly, I require you to provide an alternative specimen, which will be submitted for laboratory analysis.
▪ Departmental facilities are excellent in the fields of computing, remote sensing and laboratory analysis.
▪ You'd hardly expect it to rely on a laboratory analysis of the ingredients to assess the flavour.
▪ Studies include analysis of the genetics of growth using laboratory animals and of quantitative production traits in livestock.
▪ They conduct studies with laboratory animals or human volunteers to test their theories or treatments for fatness.
▪ Then he went over to his cages of white doves, black cockerels and other laboratory animals.
▪ To be sent callously, unwittingly to their deaths like laboratory animals.
▪ This result accords with earlier preliminary findings in man and in laboratory animals.
▪ The processes themselves A major complication, however, is that the environment can rarely be treated as in a laboratory experiment.
▪ Conventional psychology's principal methodological demand is for the kind of objectivity promised by the laboratory experiment.
▪ We revealed that monkeys from Longleat and Woburn safari parks have been sold for laboratory experiments.
▪ This section looks briefly at some of the basic ideas and illustrates them with the results of some laboratory experiments.
▪ The laboratory experiment is an obvious case of control, since a complete situation is created by and for the observer.
▪ It has to incorporate a wide range of factors and develop methods of investigation other than laboratory experiments.
▪ Studies of turbulent flows centre on laboratory experiments.
▪ The use of these routes can be demonstrated in simple laboratory experiments which measure the time taken to start pronouncing single words.
▪ In addition to personnel resources, reference laboratory facilities and services are critical to the effective management of emerging infectious disease threats.
▪ The department has well-equipped laboratory facilities and houses the most advanced parallel computers as well as conducting research at national and international institutions.
▪ Other laboratory facilities are being built.
▪ He has some electronic equipment originally intended for the language laboratory, which enhances the sound quality.
▪ There is also an audiovisual language laboratory and facilities for receiving and recording satellite transmissions and for videoconferencing.
▪ There are also extensive entries on classroom practice, teaching methods, the language laboratory and the psychology of learning.
▪ It is well equipped with modern teaching aids including video, portable language laboratory sets, etc.
▪ In the Faculty of Humanities, the use of language laboratories and other teaching aids is increasingly important.
▪ The most recent approaches have been language laboratories and computer-based instruction.
▪ A variety of dialogues, drills and exercises are provided for use in the language laboratory, in class or at home.
▪ The Ministry of Defence is to go ahead with the partial privatisation of its defence research laboratories.
▪ That sort of thing is annoying, but the main product of a research laboratory is ideas.
▪ We are really a basic research laboratory in a clinical department.
▪ A panel of 10 scientists drawn form universities and private research laboratories will advise Bienenstock.
▪ The utilization of consumer electronics-related ReD results, from government research laboratories, is one of the highest in the country.
▪ He had spent most of it indoors in the research laboratories where three offices were being cleared out, stripped and redecorated.
▪ But his research laboratory colleague Tom Hedman can-thanks to generous people who donate their bodies to science.
▪ Projects are offered in a wide range of science laboratories in the university and medical school.
▪ They conduct flight pattern experiments with paper airplanes in science laboratories with the rest of the student body.
▪ Supplies of liquid helium are an absolute necessity in many modern science laboratories.
▪ They took on extra duties such as building a science laboratory, writing a textbook, or constructing a windmill.
▪ These laboratory studies have none the less provided some evidence of relationships between risk and sensitivity.
▪ In some instances an interview with a nutritionist will be desirable in addition to or in lieu of laboratory studies.
▪ Quantitative microbial analysis of bone collected during implant surgery: a clinical and laboratory study.
▪ He never strays far from elegant applications of the theory to field and laboratory studies, many of them his own.
▪ On the basis of these laboratory studies, meteorites have been divided into three main classes.
▪ Another potentially useful system for laboratory study could well be the various steps in prostaglandin synthesis.
▪ Coal Board contractors removed overlying rock and Stan and his co-workers systematically excavated 10 tonnes of bone bed for closer laboratory study.
▪ The inquest heard the laboratory technician suffered from depression and alcoholism.
▪ She has also lost a laboratory technician, an electrician and two hospital attendants in the past year.
▪ The laboratory technician is now the school technician.
▪ His victim was Hikurangi laboratory technician Bernie Hately.
▪ He inspired the creation of Oxford's earliest ancillary scientific post, becoming in effect the first professional laboratory technician.
▪ The first, a clinical suspect in whom no laboratory tests were done, was reported after he died on Dec 20.
▪ We shared the results of every medical exam and laboratory test with them and with their physicians.
▪ Correlation between the scan score and laboratory tests varied with disease location.
▪ But no laboratory test is foolproof.
▪ No clinic patient received any examination or laboratory test specific for erectile dysfunction or its causes.
▪ No laboratory test or pathological finding can make an absolutely certain diagnosis of sarcoidosis.
▪ Likewise, no chart recorded either a blood lipid profile or any laboratory test relevant to diabetes.
▪ The patients also are examined, and undergo laboratory tests, based on their complaints.
▪ In laboratory work one may find that the desired values of the non-dimensional parameters are not actually achievable.
▪ The lecture programme extends from October to April and consists of lecture courses, tutorials and laboratory work totalling approximately 260 hours.
▪ As with Denplan, you get preventative and private treatment but have to pay for orthodontic and laboratory work.
▪ They are more difficult to adapt to the small scale of laboratory work, but are sometimes effective.
▪ Students can expect to spend a substantial part of their courses doing practical laboratory work.
▪ We were preparing television programmes on laboratory work when most teachers counted themselves lucky if there was any chalk available.
▪ The lectures and tutorials are complemented by extensive laboratory work and in the final year each student undertakes a supervised research project.
▪ The commission will want tougher safeguards on laboratory work.
▪ Only a small amount of new technology is needed, and that seems well based on existing laboratory experience.
▪ Clues for an explanation for this discrepancy may be provided by some laboratory studies.
▪ This vast cultivation and re-design of the body provides an unprecedented laboratory for exploring the limits of human possibility.
▪ Most staff return to the area office in mid-afternoon with samples to be sent off to the laboratory.
▪ Teachers called in police, who confiscated the vials and sent them to state laboratories for analysis.
▪ If the blood glucose is above 20 mmol/l a sample should be sent to the laboratory for a definitive result.
▪ I had sent kidneys to the laboratory for lead estimation with negative result; like their owner, I was flummoxed.
▪ A sputum specimen was obtained and sent to the laboratory for analysis.
▪ At intervals these plates would be sent to central laboratories to be tested.
▪ This medium is the one which has been used in many laboratory experiments on this plant.
▪ Studies include analysis of the genetics of growth using laboratory animals and of quantitative production traits in livestock.
▪ We use them around the laboratory.
▪ Here the Doctor uses the on-board laboratory to make a non-functioning facsimile of the Tarranium Core.
▪ It is used by the laboratories of Boots and Glaxo, and in the intensive care units of Bupa hospitals.
▪ Results and Discussion Two basic approaches can be followed when using long-term laboratory heating experiments to investigate the generating potential of coals.
▪ Robotic aids which perform like this are now being developed and are already being used under laboratory conditions in Bristol.
▪ a research laboratory
▪ The facility uses animals in laboratory tests for some of its drugs.
▪ Alternatively, you can have a sample of blood taken and sent away to a laboratory for a much fuller analysis.
▪ Even better, the group has many species, some of which will cross in the laboratory.
▪ However, this study has been criticized on both clinical and laboratory grounds.
▪ Months of testing still lie ahead, with work being done at laboratories across the country.
▪ The new building will house its manufacturing, research, laboratory, sales, marketing and administration departments.
▪ The patients also are examined, and undergo laboratory tests, based on their complaints.
▪ The university patent counsel had heard about it and thought it would make lots of money in clinical laboratories.
The Collaborative International Dictionary

Laboratory \Lab"o*ra*to*ry\, n.; pl. Laboratories. [Shortened fr. elaboratory; cf. OF. elaboratoire, F. laboratoire. See Elaborate, Labor.] [Formerly written also elaboratory.]

  1. The workroom of a chemist; also, a place devoted to experiments in any branch of natural science; as, a chemical, physical, or biological laboratory. Hence, by extension, a place where something is prepared, or some operation is performed; as, the liver is the laboratory of the bile.

  2. Hence: Any place, activity or situation suggestive of a scientific laboratory[1], especially in being conducive to learning new facts by experimentation or by systematic observation; as, the states serve as laboratories where different new policies may be tested prior to adoption throughout the country.

Douglas Harper's Etymology Dictionary

c.1600, "building set apart for scientific experiments," from Medieval Latin laboratorium "a place for labor or work," from Latin laboratus, past participle of laborare "to work" (see labor (n.)). Figurative use by 1660s.


n. 1 A room, building or institution equipped for scientific research, experimentation or analysis. 2 A place where chemicals, drugs or microbes are prepared or manufactured.

  1. n. a workplace for the conduct of scientific research [syn: lab, research lab, research laboratory, science lab, science laboratory]

  2. a region resembling a laboratory inasmuch as it offers opportunities for observation and practice and experimentation; "the new nation is a testing ground for socioeconomic theories"; "Pakistan is a laboratory for studying the use of American troops to combat terrorism" [syn: testing ground]


A laboratory ( or ; informally, lab) is a facility that provides controlled conditions in which scientific or technological research, experiments, and measurement may be performed.

Laboratories used for scientific research take many forms because of the differing requirements of specialists in the various fields of science and engineering. A physics laboratory might contain a particle accelerator or vacuum chamber, while a metallurgy laboratory could have apparatus for casting or refining metals or for testing their strength. A chemist or biologist might use a wet laboratory, while a psychologist's laboratory might be a room with one-way mirrors and hidden cameras in which to observe behavior. In some laboratories, such as those commonly used by computer scientists, computers (sometimes supercomputers) are used for either simulations or the analysis of data collected elsewhere. Scientists in other fields will use still other types of laboratories. Engineers use laboratories as well to design, build, and test technological devices.

Scientific laboratories can be found as research and learning spaces in schools and universities, industry, government, or military facilities, and even aboard ships and spacecraft.

Laboratory (disambiguation)

Laboratory is a facility where scientific experiments are performed.

Laboratory may also refer to:

  • Laboratory, North Carolina, an unincorporated community
  • Laboratory, Pennsylvania, an unincorporated community

Usage examples of "laboratory".

But if these muons are not sitting at rest in the laboratory and instead are traveling through a piece of equipment known as a particle accelerator that boosts them to just shy of light-speed, their average life expectancy as measured by scientists in the laboratory increases dramatically.

Veneziano, then a research fellow at CERN, the European accelerator laboratory in Geneva, Switzerland, had worked on aspects of this problem for a number of years, until one day he came upon a striking revelation.

As our most powerful particle accelerators can reach energies only on the order of a thousand times the proton mass, less than a millionth of a billionth of the Planck energy, we are very far from being able to search in the laboratory for any of these new particles predicted by string theory.

AUTHORIZED PERSONS ONLY, into the exhibit laboratory, a reassuringly familiar place with its display cases and smells of shellac and camphor, acetone and ethyl alcohol.

For good measure, she walked across the laboratory and glared at the other acorn in the experiment.

Halott was gone, the tiger returned and chuffed once more and I followed it down a set of stairs, down through a laboratory of some kind, and on down into dank basements below, with water adrip, slime on the walls, and rats running everywhere.

Their seventeen-year-old son BENJ is also at the station, serving an apprenticeship in the aerology laboratory.

Nine hours later he had returned to his regular duties in the aerology laboratory.

Heinlein was not unknown to me when he appeared in the offices of the Aeronautical Materials Laboratory of the Naval Aircraft Factory in Philadelphia in early 1942.

Bob Heinlein was a most worthy addition to the Aeronautical Materials Laboratory.

After they checked his pulse to make certain that he was still alive, Marks and Akers dragged him out of the storeroom and up the corridor to Module Nine, the laboratory which also functioned as the base infirmary.

The amalgam was composed of many different metals in the platinum group, the exact recipe of which was impossible to determine, even with current laboratory tests.

One could see, even before he mentioned it, that he had gone to an ivy-clad public school in its anecdotage, with magnificent traditions, aristocratic associations, and no chemical laboratories, and proceeded thence to a venerable college in the very ripest Gothic.

But long before the codebreakers moved into the sterile supercomputer laboratories, clean rooms, and anechoic chambers, their hunt for the solution to that ultimate puzzle took them to dark lakebeds and through muddy swamps in the early light of the new Cold War.

When he came to the laboratory, he saw that the window was now shut, as well as the door, and that Giovanni had set the lamp on the floor behind the further end of the annealing oven.