sə̇ˈnalbə̇n noun
( -s )
Etymology: International Scientific Vocabulary sin- (from Latin sinapis mustard) + Latin alba (feminine of albus white) + International Scientific Vocabulary -in — more at elf
: a bitter crystalline glucoside C 30 H 42 N 2 O 15 S 2 in white mustard seeds that on hydrolysis by myrosin yields glucose, sinapine hydrogen sulfate, and the yellow irritant mustard oil para -hydroxy-benzyl isothiocyanate