an organism, especially a bacterium, that requires air or free oxygen for life (opposed to ).
noun (pl) -obes, -obia (-ˈəʊbɪə)
an organism that requires oxygen for respiration Compare anaerobe

aerobe aer·obe (âr’ōb’)
An organism, such as a bacterium, requiring oxygen to live.
An organism, such as a bacterium, that can or must live in the presence of oxygen. Compare anaerobe.

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