[ee-nuh-trop-ik, -troh-pik, ahy-nuh-]

adjective Physiology.

influencing the contractility of muscular tissue.

Origin of inotropic

1900–05; < Greek īno- (combining form of ī́s fiber, sinew) + -tropic Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for inotropic



affecting or controlling the contraction of muscles, esp those of the heartinotropic drugs

Word Origin for inotropic

C20: from Greek, from is (stem in-) tendon + -tropic
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 inotropic


[ĭn′ə-trŏpĭk, -trōpĭk, ī′nə-, ē′nə-]


Affecting the contraction of muscle, especially heart muscle.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.