pho·to·tax·is (f  t-t k s s)n. The movement of an organism or a cell toward or away from a source of light. pho to·tactic (-tktk) adj.pho to·tacti·cal·ly adv. |
phototaxis [ˌfəʊtəʊˈtæksɪs], phototaxy
n
(Life Sciences & Allied Applications / Biology) the movement of an entire organism in response to light
phototactic [ˌfəʊtəʊˈtæktɪk] adj
phototaxis, phototaxy
the movement of an organism away from or toward a source of light. — phototactic, adj.
See also: Lightthe movement of an organism away from or toward a source of light. — phototactic, adj.
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