An organism's movement toward or away from oxygen as a reaction to its presence. The term is most often used when discussing aerobes (oxygen-using) versus anaerobes (which don't use oxygen).

From the BioTech Dictionary at For further information see the BioTech homenode.

A"ër*o*tax`is (?), n. [NL. See Aëro-; Taxis.] (Bacteriology)

The positive or negative stimulus exerted by oxygen on aërobic and anaërobic bacteria. -- A`ër*o*tac"tic (#), a.


© Webster 1913

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