ˈgraˌmēn, -_mə̇n noun
( -s )
Etymology: International Scientific Vocabulary gram- (from Latin gramen grass) + -ine
: a crystalline base (C 8 H 6 N)CH 2 N(CH 3 ) 2 occurring especially in the germ of Swedish barley and made from indole by reaction with formaldehyde and dimethylamine; 3-(dimethylamino-methyl)-indole