definitions

-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).

RELATED CONTENT

Footages, Religiosity, And Other Trending Words On Dictionary.comHalloween. Cardi B. And, of course, the goings on in Washington D.C. They all had an effect on Dictionary.com's trending words list. But, how much and what words? Dig in, and find out!
READ MORE

Nearby words

-tron, -trope, -troph, -trophic, -trophy, -tropic, -tropism, -tropous, -tropy, -tude, -tuple
Compare -trophic.

Origin of -tropic

see origin at tropic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for -tropic

-tropic

adj combining form

turning or developing in response to a certain stimulusheliotropic

Word Origin for -tropic

from Greek tropos a turn; see trope
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for -tropic

-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.