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phototropism

pho·tot·ro·pism

phototropism

 
pronunciation:
fo ta tr pih zm
features:
Word Parts
part of speech: noun
definition: the tendency of plants to turn or grow in a particular direction in response to light.
derivation: phototropy (n.)
Word Parts
The word phototropism contains the following parts:
-ism1 Greek noun-forming suffix that means act, process, state, practice, or instance of
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The suffix -ism1 attaches to Greek roots to form nouns which usually have a corresponding verb ending in "-ize, -ise". See also -ism2.