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WordReference Random House Learner's Dictionary of American English © 2024lab•o•ra•to•ry /ˈlæbrəˌtɔri, ˈlæbərə-/USA pronunciation n. [countable], pl. -ries. - Chemistrya place with equipment to conduct scientific experiments or tests, or in which to manufacture chemicals, medicines, or the like.
- a building or room in a school or university with equipment for certain subjects:a language learning laboratory.
See -lab-. WordReference Random House Unabridged Dictionary of American English © 2024lab•o•ra•to•ry (lab′rə tôr′ē, -tōr′ē, lab′ər ə-; Brit. lə bor′ə tə rē, -ə trē),USA pronunciation n., pl. -ries, adj. n. - a building, part of a building, or other place equipped to conduct scientific experiments, tests, investigations, etc., or to manufacture chemicals, medicines, or the like.
- any place, situation, set of conditions, or the like, conducive to experimentation, investigation, observation, etc.;
anything suggestive of a scientific laboratory.
adj. - serving a function in a laboratory.
- relating to techniques of work in a laboratory:laboratory methods; laboratory research.
- Medieval Latin labōrātōrium workshop, equivalent. to Latin labōrā(re) to labor + -tōrium -tory2
- 1595–1605
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