n.
An organism, such as a bacterium, requiring oxygen to live. Also called aerobium.
[French aérobie : Greek āēr, air; see aero- + Greek bios, life.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.