[ air-ohb ]
/ ˈɛər oʊb /


an organism, especially a bacterium, that requires air or free oxygen for life (opposed to anaerobe).

Origin of aerobe

First recorded in 1875–80; aer- + (micr)obe Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for aerobe


aerobium (ɛəˈrəʊbɪəm)

/ (ˈɛərəʊb) /

noun plural -obes or -obia (-ˈəʊbɪə)

an organism that requires oxygen for respirationCompare anaerobe

Word Origin for aerobe

C19: from aero- + Greek bios life. Compare microbe
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

Medicine definitions for aerobe

[ ârōb′ ]


An organism, such as a bacterium, requiring oxygen to live.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for aerobe

[ ârōb′ ]

An organism, such as a bacterium, that can or must live in the presence of oxygen. Compare anaerobe.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.