Definition of -trophism in English:

-trophism

Syllabification: -trophism

combining form

In nouns corresponding to adjectives ending in -trophic (such as phototropism corresponding to phototrophic).

Definition of -trophism in:

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Word of the day abjure
Pronunciation: abˈjo͝or
verb
solemnly renounce (a belief, cause, or claim)