cinnamic acid
n.
A white crystalline acid, C₆H₅CHCHCOOH, obtained from cinnamon or from balsams such as storax or made synthetically and used chiefly to manufacture perfumery compounds.

[TahlilGaran] American Dictionary ▲

cinnamic acid
[cinnam(on) + -ic.]

[TahlilGaran] American Dictionary ▲