ˌsiŋkəˈlȯiˌpän, ˌsin- noun
( -s )
Etymology: International Scientific Vocabulary cincho nine + Greek loipon-, loipos remainder, from leipein to leave — more at loan
: a yellow crystalline acid C 5 H 9 N(C 2 H 5 )CH 2 COOH obtained especially by oxidation of cinchonine