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Merriam-Webster's Collegiate Dictionary lab·o·ra·to·ry (plural -ries) USAGE often attributive ETYMOLOGY Medieval Latin laboratorium, from Latin laborare to labor, from labor DATE 1605 1. a. a place equipped for experimental study in a science or for testing and analysis; broadly : a place providing opportunity for experimentation, observation, or practice in a field of study b. a place like a laboratory for testing, experimentation, or practice the laboratory of the mind 2. an academic period set aside for laboratory work English Etymology laboratory c.1600, "building set apart for scientific experiments," from M.L.laboratorium "a place for labor or work," from L. laboratus, pp. of laborare "to work" (see labor). Oxford Advanced Learner's Dictionary-牛津双解-OALD7 ☞ laboratory la·bora·tory / lE5bCrEtri; NAmE 5lAbrEtC:ri / noun(pl. -ies) (also informal lab) a room or building used for scientific research, experiments, testing, etc. 实验室；实验大楼: a research laboratory 研究实验室 laboratory experiments / tests 实验室的实验/测试 ⇨ see also language laboratory Oxford Collocations Dictionary for Students of English laboratory noun ADJ. up-to-date, well-equipped | commercial, industrial | school, university | biology, chemistry, physics, science | chemical, pharmaceutical | analytical, clinical, development, experimental, forensic, medical, nuclear, pathology, photographic, public health, quality control, research, testing VERB + LABORATORY build, establish, set up She has donated money to establish a pharmaceutical laboratory. | run He runs his own research laboratory. | work in They work in a laboratory studying growth patterns. LABORATORY + NOUN assistant, chemist, manager, scientist, technician, worker | apparatus, bench, equipment, facilities | animal | analysis, experiment, investigation, measurement, simulation, study, test, testing, trial, work laboratory tests on animals | science, subject | practices, procedures | data, evidence, findings, report, results | conditions, setting The athletes' reflexes were tested under laboratory conditions. simulated driving in a laboratory setting PREP. in a/the ~ The effects of weathering can be simulated in the laboratory. Webster's Third New International Dictionary, Unabridged lab·o·ra·to·ry I. \ˈlabrəˌtōrē, -tȯr-, -ri sometimes ˈlabər-, chiefly in substand speech by r-dissimilation ˈlabəˌt-, chiefly Brit ləˈbärə.tri or -ärətəri\noun (-es) Etymology: Medieval Latin laboratorium, from Latin laboratus (past participle of laborare to labor) + -orium -ory — more at labor 1. a. : a place devoted to experimental study in any branch of natural science or to the application of scientific principles in testing and analysis or in the preparation usually on a small scale of drugs, chemicals, explosives, or other products or substaces < a chemical laboratory > < a biological laboratory > < a rolling crime laboratory > < the weather research plane, a powerful flying laboratory — Walter Hayward > b. : a place equipped for or an organized activity involving experimentation or observation in a field of study (as child development) or practice in a skill (as reading) < was equipped with a psychology laboratory > < composition laboratory … for students requiring special help in English fundamentals — King College Bulletin > c. : a period in an academic schedule set aside for laboratory work < a course with two lectures and one laboratory a week > 2. a. : something resembling a laboratory in carrying on a process of production or testing < the laboratory of the mind > < the laboratory of ongoing human experience — L.A.Weigle > b. : an environment that provides opportunity for systematic observation, experimentation, or practice < a settlement house serving as a sociological laboratory > < the new nation of Israel, a social laboratory > 3. : the hearth of a reverberatory furnace II. adjective 1. : of, working, used, or done in a laboratory < get laboratory approval for the new appliance > < a laboratory assistant in accounting > < a laboratory manual > < perform laboratory experiments > 2. : befitting, suggestive of, or resembling that of a laboratory < insisted on … laboratory conditions in an election — New York Times > < a cheap liquor … had a fierce laboratory flavor — Norman Lewis > < a kind of laboratory method in fiction — Robert Humphrey > 3. : of or involving observation or experimentation or practice for educational purposes < a laboratory period > < a laboratory course > |
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