-tropic

-tropic

a combining form with the meanings “turned toward, with an orientation toward” that specified by the initial element (geotropic ), “having an affinity for, affecting” what is specified (lipotropic; neurotropic; psychotropic ), “affecting the activity of, maintaining” a specified organ (gonadotropic ).
Compare -trophic.


Origin:
see tropic

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To -tropic
Collins
World English Dictionary
-tropic
 
adj combining form
turning or developing in response to a certain stimulus: heliotropic
 
[from Greek tropos a turn; see trope]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

-tropic suff.
Affecting or attracted to something specified: gonadotropic.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Nearby Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature