Aerobe
ahd-5
noun.
An organism, such as a bacterium, requiring free oxygen to live.
The Century Dictionary and Cyclopedia
noun.
One of the aërobia.
the GNU version of the Collaborative International Dictionary of English
noun.
an organism such as a microorganism that requires oxygen for life or growth.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
Any
organism
(but especially a
bacterium
) that can tolerate the presence of
oxygen
, or that needs oxygen to survive
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
an organism (especially a bacterium) that requires air or free oxygen for life
Hypernym
Words that are more generic or abstract
being
organism