sinapic acid
noun
si·nap·ic acid
sə̇ˈnapik-
: a yellow crystalline phenolic unsaturated acid HO(CH3O)2C6H2CH=CHCOOH that is related structurally both to cinnamic acid and to pyrogallol and obtained by hydrolysis of sinalbin
Word History
Etymology
International Scientific Vocabulary sinap- (in sinapine) + -ic