chemotaxis
Concise Oxford English Dictionary © 2008 Oxford University Press:
chemotaxis /ˌkiːmə(ʊ)ˈtaksɪs, ˌkɛm-/
▶noun Biology movement of an organism in response to the changing concentration of a particular substance.
– derivatives
chemotactic adjective.
chemotactic adjective.
'chemotaxis' also found in these Oxford entries:

