an organism that requires oxygen for respiration
Compare anaerobe
WordReference Random House Unabridged Dictionary of American English © 2025
aer•obe
(âr′ōb),USA pronunciation n.
- Microbiologyan organism, esp. a bacterium, that requires air or free oxygen for life (opposed to anaerobe).
- aer- + (micr)obe 1875–80
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'aerobe' also found in these entries (note: many are not synonyms or translations):