The Collaborative International Dictionary
Chemotaxis \Chem`o*tax"is\, n. Formerly also Chemiotaxis \Chem`i*o*tax"is\ [Chemical + Gr. ? arrangement, fr. ? to arrange.] (Biol.) The sensitiveness exhibited by small free-swimming organisms, as bacteria, zo["o]spores of alg[ae], etc., to chemical substances held in solution. They may be attracted ( positive chemotaxis) or repelled ( negative chemotaxis). -- Chem`o*tac"tic, a. -- Chem`o*tac"tic*al*ly, adv.
Wiktionary
a. Of or pertaining to chemotaxis.
Usage examples of "chemotactic".
Complement is switched on at the right point in its sequence to release chemotactic signals, calling in leukocytes from everywhere.
Brownian motion, hunting for a chemotactic trail to some richer and filthier hunting ground, and periodically peeling off copies of itself.