Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “laboratory”


noun [C]     /ləˈbɒrətəri/ US   /ˈlæbrətɔːri/ (plural laboratories) (informal lab)
a room or building with equipment for doing scientific tests : The company makes analytical equipment for industrial and research laboratories. laboratory analysis / equipment / tests
a company or place where chemicals or medicines are produced : He is chairman and chief executive officer of vision-care pharmaceutical maker Alcon Laboratories.
(Definition of laboratory noun from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of laboratory

Definitions of “laboratory” in other dictionaries

Word of the Day


a holiday taken by a couple immediately after their marriage

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More