laboratory

play
noun, often attributive lab·o·ra·to·ry \ˈla-b(ə-)rə-ˌtȯr-ē sometimes ˈla-bə(r)-ˌ or lə-ˈbȯr-ə-ˌtȯr-, British usually lə-ˈbär-ə-t(ə-)rē\

Definition of laboratory

plural

laboratories

  1. 1a :  a place equipped for experimental study in a science or for testing and analysis a research laboratory; broadly :  a place providing opportunity for experimentation, observation, or practice in a field of studyb :  a place like a laboratory for testing, experimentation, or practice That area is a laboratory for cultivating the germ of terrorism.

  2. 2 :  an academic period set aside for laboratory work a course of study requiring two lectures and one laboratory per week

Examples of laboratory in a sentence

  1. experiments conducted in a modern laboratory

Origin and Etymology of laboratory

Medieval Latin laboratorium, from Latin laborare to labor, from labor


First Known Use: 1592

Other Chemical Engineering Terms



LABORATORY Defined for English Language Learners

laboratory

play
noun, often attributive lab·o·ra·to·ry \ˈla-b(ə-)rə-ˌtȯr-ē sometimes ˈla-bə(r)-ˌ or lə-ˈbȯr-ə-ˌtȯr-, British usually lə-ˈbär-ə-t(ə-)rē\

Definition of laboratory for English Language Learners

  • : a room or building with special equipment for doing scientific experiments and tests


LABORATORY Defined for Kids

laboratory

play
noun lab·o·ra·to·ry \ˈla-brə-ˌtȯr-ē, ˈla-bə-rə-\

Definition of laboratory for Students

plural

laboratories

  1. :  a room or building in which scientific experiments and tests are done


Medical Dictionary

laboratory

play play
noun , often attributive lab·o·ra·to·ry \ˈlab-(ə-)rə-ˌtōr-ē, -ˌtȯr-, British usually lə-ˈbär-ə-t(ə-)rē\

Medical Definition of laboratory

plural

laboratories

  1. :  a place equipped for experimental study in a science or for testing and analysis



Seen and Heard

What made you want to look up laboratory? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

feeling or affected by lethargy

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • ludwig-richter-spring-has-arrived
  • Which is a synonym of upbraid?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ