Share this entry
laboratory Line breaks: la¦bora|tory
Pronunciation: /ləˈbɒrəˌt(ə)ri/

Definition of laboratory in English:

noun (plural laboratories)

1A room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals: [as modifier]: laboratory tests
More example sentences
  • 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.
  • Health benefits are often documented in laboratory studies of animals other than humans.
  • Much has been learned about sleep from laboratory studies of non-human animals.
1.1 [as modifier] (Of an animal) bred for or used in experiments in laboratories: laboratory rats
More example sentences
  • A robust young laboratory mouse is doing well to hang on for thirty or forty seconds.
  • He is the prime mover in an international contest to extend the lives of laboratory mice.
  • It has also been linked to certain types of cancerous tumors in laboratory rats.


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

Words that rhyme with laboratory

exploratory, oratory
Definition of laboratory in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources