Thesaurus: chemotaxis

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Definitions

1. n. movement by a cell or organism in reaction to a chemical stimulus
2. The sensitiveness exhibited by small free-swimming organisms, as bacteria, zoöspores of algæ, 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.
3. n. movement by a cell or organism in reaction to a chemical stimulus