Definify.com
Webster 1913 Edition
Cinnamic
Cin-nam′ic
,Adj.
[From
Cinnamon
.] (Chem.)
Pertaining to, or obtained from, cinnamon.
Cinnamic acid
(Chem.)
, a white, crystalline, odorless substance.
C6H5.C2H2C2H2.CO2H
, formerly obtained from storax and oil of cinnamon, now made from certain benzene derivatives in large quantities, and used for the artificial production of indigo.