ˈstakə̇ˌdrēn, -_drə̇n noun
( -s )
Etymology: International Scientific Vocabulary stach- (from New Latin Stachys) + hydr- + -ine
: a crystalline alkaloid C 7 H 13 NO 2 found in various plants (as alfalfa or Chinese artichoke) : the dimethyl betaine of proline