(ˈ)bī¦k(y)ükyəˌlēn, -_lə̇n noun
( -s )
Etymology: bi- (I) + cucull- (from cucullaria , specific epithet of Dicentra cucullaria , Dutchman's-breeches, in which the substance occurs) + -ine
: a convulsant alkaloid C 20 H 17 NO 6 obtained especially from plants of the family Fumariaceae and having the capacity to antagonize the action of gamma-aminobutyric acid in the central nervous system