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inotropic

[ee-nuh-trop-ik, -troh-pik, ahy-nuh-]
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adjective Physiology.
  1. influencing the contractility of muscular tissue.
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Origin of inotropic

1900–05; < Greek īno- (combining form of ī́s fiber, sinew) + -tropic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for inotropic

inotropic

adjective
  1. affecting or controlling the contraction of muscles, esp those of the heartinotropic drugs
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Word Origin

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

inotropic in Medicine

inotropic

(ĭn′ə-trŏpĭk, -trōpĭk, ī′nə-, ē′nə-)
adj.
  1. Affecting the contraction of muscle, especially heart muscle.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.