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Movement of an organism, especially a bacterium, toward or away from air or oxygen.

aer′o·tac′tic adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


The movement of an organism toward or away from O2. See Aerobes, Anaerobes.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.


Movement of an organism with respect to a supply of air or oxygen.
[aero- + G. taxis, orderly arrangement]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


the movement of an organism with reference to the direction of air or oxygen.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005