chemotaxis

English Thesaurus

1. movement by a cell or organism in reaction to a chemical stimulus (noun.act)

hypernym	:	taxis,
definition	:	a locomotor response toward or away from an external stimulus by a motile (and usually simple) organism (noun.act)

hyponym	:	negative chemotaxis,
definition	:	movement away from a chemical stimulus (noun.act)

hyponym	:	positive chemotaxis,
definition	:	movement toward a chemical stimulus (noun.act)