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laboratory

[lab-ruh-tawr-ee, -tohr-ee, lab-er-uh-; British luh-bor-uh-tuh-ree, -uh-tree] /ˈlæb rəˌtɔr i, -ˌtoʊr i, ˈlæb ər ə-; British ləˈbɒr ə tə ri, -ə tri/
noun, plural laboratories.
1.
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.
2.
any place, situation, set of conditions, or the like, conducive to experimentation, investigation, observation, etc.; anything suggestive of a scientific laboratory.
adjective
3.
serving a function in a laboratory.
4.
relating to techniques of work in a laboratory:
laboratory methods; laboratory research.
Origin
1595-1605
1595-1605; < Medieval Latin labōrātōrium workshop, equivalent to Latin labōrā(re) to labor + -tōrium -tory2
Related forms
laboratorial, adjective
laboratorially, adverb
laboratorian, noun
interlaboratory, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for lab-oratory

laboratory

/ləˈbɒrətərɪ; -trɪ; US ˈlæbrəˌtɔːrɪ/
noun (pl) -ries
1.
  1. a building or room equipped for conducting scientific research or for teaching practical science
  2. (as modifier): laboratory equipment
2.
a place where chemicals or medicines are manufactured
Often shortened to lab
Word Origin
C17: from Medieval Latin labōrātōrium workshop, from Latin labōrāre to labour
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for lab-oratory

laboratory

n.

c.1600, "building set apart for scientific experiments," from Medieval Latin laboratorium "a place for labor or work," from Latin laboratus, past participle of laborare "to work" (see labor (n.)). Figurative use by 1660s.

Online Etymology Dictionary, © 2010 Douglas Harper
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lab-oratory in Medicine

laboratory lab·o·ra·to·ry (lāb'rə-tôr'ē)
n.

  1. A room or building equipped for scientific research.

  2. A place where drugs and chemicals are manufactured.

  3. A place for practice, observation, or testing.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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