Found 2 items, similar to positive chemotaxis.
English → English (WordNet) Definition: positive chemotaxis positive chemotaxis n : movement toward a chemical stimulus
English → English (gcide) Definition: positive chemotaxis 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. [Webster 1913 Suppl.]