Definition of laboratory in English:

laboratory

Pronunciation: /ˈlab(ə)rəˌt(ə)ri//ləˈbɒrəˌt(ə)ri/

noun

  • 1A room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals.

    [as modifier] ‘laboratory tests’
    • ‘The life cycle of the tapeworm can be readily completed under laboratory conditions.’
    • ‘Competition is certainly one environmental circumstance rarely provided in laboratory experiments.’
    • ‘This is typically an instance where people taking part in laboratory experiments appear to act irrationally.’
    • ‘Save for contrived laboratory studies with bacteria and fruit flies, it cannot be witnessed.’
    • ‘West Nile virus has been reported in laboratory workers exposed to infected animals.’
    • ‘In general, laboratory studies seem to be able to predict extremely well the behaviour of lichens in their natural habitat.’
    • ‘Much has been learned about sleep from laboratory studies of non-human animals.’
    • ‘The spectral variability of natural materials has been known for a long time from laboratory studies.’
    • ‘Once the virus samples arrived from Hong Kong the experiment and laboratory analysis took only two weeks.’
    • ‘The summer programs at the various laboratories will run from late May to mid-August, fall programs run from August through December and spring programs from January through May.’
    • ‘The predictions of these models are in agreement with results from laboratory studies.’
    • ‘So far the discussion concerns laboratory studies and simulations and can be considered largely theoretical.’
    • ‘The concept of hormones triggered a new experimental approach in laboratory science.’
    • ‘We believe that the results of analysis of body fluids and laboratory experiments are obvious.’
    • ‘Initial laboratory studies may include a complete blood cell count and urinalysis.’
    • ‘Only a few examples have been described, all based on laboratory experiments in which a large part of the shoot was removed.’
    • ‘Now I wouldn't want to be quoted as saying that animals that live in laboratory cages are having a wonderful time.’
    • ‘Thus, the list of species studied in his laboratory ranges from planaria to mammals.’
    • ‘Health benefits are often documented in laboratory studies of animals other than humans.’
    • ‘The US group was known chiefly as a breeder of animals such as rats for laboratory experiments until it bought Inveresk last year.’
    1. 1.1[as modifier](of an animal) bred for or used in experiments in laboratories.
      ‘laboratory rats’
      • ‘If laboratory species will voluntarily take a drug, it is assumed that humans will too.’
      • ‘During my studies I involved myself in the use of laboratory animals.’
      • ‘A robust young laboratory mouse is doing well to hang on for thirty or forty seconds.’
      • ‘For their study, researchers injected laboratory rats with a known substance that causes colon cancer.’
      • ‘Compounds that are noxious to humans and laboratory rats are assumed to be toxic to birds, too.’
      • ‘Researchers at the college tested ginseng on laboratory rats by forcing them to swim after a heavy dose.’
      • ‘Styrene, used in the manufacture of plastics, is highly toxic and causes cancer in laboratory animals.’
      • ‘This was followed by tests of the plants' active ingredients on tissue cultures, and then on laboratory rats.’
      • ‘It has also been linked to certain types of cancerous tumors in laboratory rats.’
      • ‘There is no known lethal dose in laboratory animals so why not give it a try?’
      • ‘The tails of infant laboratory rats were cut off, generation after generation.’
      • ‘It was outlawed after tests revealed it has caused leukaemia in laboratory mice.’
      • ‘The general guideline for the care and use of laboratory animals was followed.’
      • ‘True, some laboratory rats developed tumours after being fed relatively large amounts daily for two years.’
      • ‘For this reason scientists have been turning to a much less expensive alternative, the laboratory mouse.’
      • ‘In one study, researchers exposed laboratory rats to a toxin that is known to cause Parkinson's disease.’
      • ‘However, if mobiles are causing tumours it ought to be possible to demonstrate that in laboratory animals.’
      • ‘He is the prime mover in an international contest to extend the lives of laboratory mice.’
      • ‘If they did it to a laboratory rat, outraged activists would storm the building.’
      • ‘The powder was applied to laboratory rats on a shaved section of their backs.’

Origin

Early 17th century: from medieval Latin laboratorium, from Latin laborare to labour.

Pronunciation:

laboratory

/ˈlab(ə)rəˌt(ə)ri//ləˈbɒrəˌt(ə)ri/