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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).
Origin of -trophic
See origin at trophic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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-trophic in Medicine

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

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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