Dictionary.com

anaerobic

[ an-uh-roh-bik, an-ai- ]
/ ˌæn əˈroʊ bɪk, ˌæn ɛə- /
Save This Word!

adjective
(of an organism or tissue) living in the absence of air or free oxygen.
pertaining to or caused by the absence of oxygen.

COMPARE COMMONLY CONFUSED WORDS

These are smilar words, and share related meanings, but their uses are very different. Click on the buttons to learn more about these commonly confused words.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of anaerobic

First recorded in 1880–85; anaerobe + -ic

OTHER WORDS FROM anaerobic

an·aer·o·bi·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use anaerobic in a sentence

British Dictionary definitions for anaerobic

anaerobic
/ (ˌænɛəˈrəʊbɪk) /

adjective
(of an organism or process) requiring the absence of or not dependent on the presence of oxygen
of or relating to anaerobes
Compare aerobic

Derived forms of anaerobic

anaerobically, 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

Medical definitions for anaerobic

anaerobic
[ ăn′ə-rōbĭk, -â-rōbĭk ]

adj.
Relating to or being an anaerobe.
Living without oxygen.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for anaerobic

anaerobic
[ ăn′ə-rōbĭk ]

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for anaerobic

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.)

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.
FEEDBACK