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phototaxis
or pho·to·tax·y
[ foh-tuh-tak-sis ]
/ ˌfoʊ təˈtæk sɪs /
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This shows grade level based on the word's complexity.
noun Biology.
movement of an organism toward or away from a source of light.
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OTHER WORDS FROM phototaxis
pho·to·tac·tic [foh-tuh-tak-tik], /ˌfoʊ təˈtæk tɪk/, adjectivepho·to·tac·ti·cal·ly, adverbWords nearby phototaxis
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use phototaxis in a sentence
If it acts in a one-sided way, it causes the particular form of stimulation which we call phototaxis or heliotropism.
The Wonders of Life|Ernst Haeckel
British Dictionary definitions for phototaxis
phototaxis
phototaxy
/ (ˌfəʊtəʊˈtæksɪs) /
noun
the movement of an entire organism in response to light
Derived forms of phototaxis
phototactic (ˌfəʊtəʊˈtæktɪk), adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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