Longman Dictionary of Contemporary English homepage

Topic: BUILDINGS

Date: 1600-1700
Language: Medieval Latin
Origin: laboratorium, from Latin laborare 'to work'

laboratory

 noun
     
la‧bor‧a‧tory W3 plural laboratories [countable]
TBB a special room or building in which a scientist does tests or prepares substances:
tests on laboratory animals
Definition of laboratory from the Longman Dictionary of Contemporary English within
the topic BUILDINGS
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