pho·tot·ro·pism
| \ fō-ˈtä-trə-ˌpi-zəm
\
\
Definition of phototropism
: a tropism in which light is the orienting stimulus
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“Phototropism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phototropism. Accessed 23 May. 2022.
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More Definitions for phototropism
phototropism
noun
pho·tot·ro·pism
| \ fō-ˈtä-trə-ˌpiz-əm
, ˌfōt-ō-ˈtrō-ˌpiz-əm
\
, ˌfōt-ō-ˈtrō-ˌpiz-əm
\
Medical Definition of phototropism
: a tropism in which light is the orienting stimulus — see heliotropism
2
: the reversible change in color of a substance produced by the formation of an isomeric modification when exposed to radiant energy (as light)
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Time Traveler for phototropism
The first known use of phototropism was in 1899
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