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An organism, such as a bacterium, requiring free oxygen to live.

[French aérobie : Greek āēr, air; see aero- + Greek bios, life; see gwei- in Indo-European roots.]


(ˈɛərəʊb) or


n, pl -obes or -obia (-ˈəʊbɪə)
(Microbiology) an organism that requires oxygen for respiration. Compare anaerobe
[C19: from aero- + Greek bios life. Compare microbe]


(ˈɛər oʊb)

an organism, esp. a bacterium, that requires air or free oxygen to sustain life.
[1875–80; aer- + (micr) obe]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.aerobe - an organism (especially a bacterium) that requires air or free oxygen for lifeaerobe - an organism (especially a bacterium) that requires air or free oxygen for life
organism, being - a living thing that has (or can develop) the ability to act or function independently


n. aerobio, organismo que requiere oxígeno para vivir.
References in periodicals archive ?
OA = obligate aerobe; FAN = facultative anaerobe; ND = not done; GH = gamma hemolysis; AH = alpha hemolysis; NA = unable to determine because of lack of growth.
The organism was an obligate aerobe and had a pH optimum of 7.5 to 7.8.
The organism is an obligate aerobe, although it can use nitrate and arginine as a final electron acceptor when [O.sub.2] is not available allowing the organism to grow anaerobically.