-tropy
Also found in: Medical.
-tropy
suff.
The state of turning in a specified way or from a specified stimulus: thixotropy.
[Greek -tropiā, from -tropos, -tropous.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
-tropy
or-tropism,
a combining form occurring in abstract nouns that correspond to adjectives ending in -tropic or -tropous: isotropy.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.