̷ ̷ˈ ̷ ̷ ̷ ̷ˌrīn, -_rə̇n noun
( -s )
Etymology: International Scientific Vocabulary papaver- (from New Latin Papaver ) + -ine
: a crystalline alkaloid C 20 H 21 NO 4 derived from benzyl-isoquinoline that constitutes about one percent of opium, that is made synthetically from vanillin, and that usually in the form of its hydrochloride is used chiefly as an antispasmodic because of its ability to relax smooth muscle (as in spasm of blood vessels due to blood clot)