aerobic

from WordNet (r) 3.0 (2006)

aerobic
    adj 1: depending on free oxygen or air; "aerobic fermentation"
           [syn: {aerobic}, {aerophilic}, {aerophilous}] [ant:
           {anaerobic}, {anaerobiotic}]
    2: based on or using the principles of aerobics; enhancing
       respiratory and circulatory efficiency; "aerobic dance";
       "running is very aerobic" [ant: {anaerobic}]

from The Collaborative International Dictionary of English v.0.48

Aerobic \A`["e]r*o"bic\, a. (Biol.)
   Growing or thriving only in the presence of oxygen; also,
   pertaining to, or induced by, a["e]robies; as, a["e]robic
   fermentation. -- {A`["e]r*o"bic*al*ly}, adv.
   [Webster 1913 Suppl.]

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