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phototaxis

UK:^*^*UK and possibly other pronunciationsUK and possibly other pronunciations/ˌfəʊtəʊˈtæksɪs/US:USA pronunciation: respellingUSA pronunciation: respelling(fō′tə tak′sis)

pho•to•tax•is (fō′tə tak′sis),USA pronunciation n. [Biol.]

Biologymovement of an organism toward or away from a source of light.

Also, pho′to•tax′y.

1900–05; photo- + -taxis

pho′to•tac′ti•cal•ly, adv.

Collins Concise English Dictionary © HarperCollins Publishers::

phototaxis /ˌfəʊtəʊˈtæksɪs/, phototaxy n

the movement of an entire organism in response to light

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⇱ phototaxis - WordReference.com Dictionary of English

phototaxis