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tropism

tro·pism

tropism

pronunciation:
tro pih zm
features:
Word Parts
part of speech: noun
definition: in biology, the turning or growth of an organ or organism toward or away from an external stimulus such as light, gravity, or nutrients.
derivations: tropismatic (adj.), tropistic (adj.)
Word Parts
The word tropism 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.