a combining form with the meanings “having nutritional habits or requirements” of the kind specified by the initial element (autotrophic ), “affecting the activity of, maintaining” that specified (gonadotrophic ) (in this sense often interchangeable with -tropic, ); also forming adjectives corresponding to nouns ending in -troph, or -trophy, (hypertrophic ).

see trophic

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World English Dictionary
n combining form
indicating a certain type of nourishment or growth: dystrophy
[from Greek -trophia, from trophē nourishment]
adj combining form

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Medical Dictionary

-trophic suff.
Of, relating to, or characterized by a specified kind of nutrition: organotrophic.

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