inotropism

noun
ino·​tro·​pism | \ ˌē-nə-ˈtrō-ˌpiz-əm How to pronounce inotropism (audio) , ˌī-nə-; i-ˈnä-trə-ˌpiz-əm How to pronounce inotropism (audio) \

Medical Definition of inotropism

: modification of muscular contractility