ˈȯlztəˌnēn, -lst- noun
( -s )
Etymology: International Scientific Vocabulary alston- (from New Latin Alstonia, genus name of Alstonia constricta ) + -ine; originally formed as German alstonin
: an alkaloid C 21 H 20 N 2 O 4 found in the bark of a tree ( Alstonia constricta ) — called also chlorogenine