aerobe
American Heritage Dictionary:
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aer·obe
(âr'ōb') 
n.
An organism, such as a bacterium, requiring oxygen to live. Also called aerobium.
n.
An organism, such as a bacterium, requiring oxygen to live. Also called aerobium.
[French aérobie : Greek āēr, air; see aero- + Greek bios, life.]
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any organism or class of organisms that can grow in the presence of dioxygen. Facultative aerobes are also capable of growing in the absence of dioxygen, whereas obligate (or strict) aerobes have an absolute requirement for dioxygen. Compare anaerobe.
| aerenchyma, aerate, aequorin | |
| aerobic, aerobiosis, aerolysin |
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A microorganism that grows in the presence of free oxygen and utilizes oxygen for oxidative phosphorylation.
- facultative a. — one that can live in the presence of oxygen.
- obligate a. — one that cannot live without oxygen.
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American Heritage Dictionary
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.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company.
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Oxford Dictionary of Biochemistry
Oxford University Press. Oxford Dictionary of Biochemistry and Molecular Biology © 1997, 2000, 2006 All rights reserved.
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