phototaxis

noun
pho·​to·​tax·​is | \ ˌfō-tō-ˈtak-səs How to pronounce phototaxis (audio) \

Definition of phototaxis

: a taxis in which light is the directive factor

First Known Use of phototaxis

circa 1889, in the meaning defined above

History and Etymology for phototaxis

New Latin

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Time Traveler for phototaxis

Time Traveler

The first known use of phototaxis was circa 1889

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Cite this Entry

“Phototaxis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phototaxis. Accessed 15 Jun. 2021.

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More Definitions for phototaxis

phototaxis

noun
pho·​to·​tax·​is | \ -ˈtak-səs How to pronounce phototaxis (audio) \
plural phototaxes\ -​ˌsēz How to pronounce phototaxis (audio) \

Medical Definition of phototaxis

: a taxis in which light is the directive factor

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