suc·ci·nyl·choline \| ̷ ̷ ̷ ̷(ˌ) ̷ ̷+\noun Etymology:succinyl + choline : a basic compound that has an action like that of curare and that is administered intravenously chiefly in the form of its crystalline dihydrochloride C14H30Cl2N2O4.2H2O as a skeletal relaxant in surgery