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Word History
Etymology
New Latin
First Known Use
circa 1889, in the meaning defined above
Dictionary Entries Near phototaxis
Cite this Entry
“Phototaxis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phototaxis. Accessed 8 Dec. 2024.
Kids Definition
phototaxis
noun
pho·to·tax·is
ˌfōt-ō-ˈtak-səs
: a movement of a living thing that is made in response to light
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