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anaerobic

[an-uh-roh-bik, an-ai-]
adjective
  1. (of an organism or tissue) living in the absence of air or free oxygen.
  2. pertaining to or caused by the absence of oxygen.
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Origin of anaerobic

First recorded in 1880–85; anaerobe + -ic
Related formsan·aer·o·bi·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for anaerobic

anaerobic

adjective
  1. (of an organism or process) requiring the absence of or not dependent on the presence of oxygen
  2. of or relating to anaerobes
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Compare aerobic
Derived Formsanaerobically, adverb
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

Word Origin and History for anaerobic

adj.

"capable of living without oxygen," 1879 (as anaerobian; modern form first attested 1884), from French anaérobie, coined 1863 by French bacteriologist Louis Pasteur (1822-1895), from Greek an- "without" (see an- (1)) + aer "air" (see air (n.1)) + bios "life" (see bio-).

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Online Etymology Dictionary, © 2010 Douglas Harper

anaerobic in Medicine

anaerobic

(ăn′ə-rōbĭk, -â-rōbĭk)
adj.
  1. Relating to or being an anaerobe.
  2. Living without oxygen.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

anaerobic in Science

anaerobic

[ăn′ə-rōbĭk]
  1. Occurring in the absence of oxygen or not requiring oxygen to live. Anaerobic bacteria produce energy from food molecules without the presence of oxygen. Compare aerobic.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

anaerobic in Culture

anaerobic

[(an-uh-roh-bik, an-air-oh-bik)]

A descriptive term for a process, such as fermentation, that can proceed only in the absence of oxygen, or a living thing that can survive only in the absence of oxygen. (Compare aerobic.)

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.