'Cinnamyl' definitions:
- Cinnamyl \Cin"na*myl\, n. [Cinnamic + -yl.] (Chem.)
The hypothetical radical, (C6H5.C2H2)2C, of cinnamic
compounds. [Formerly written also cinnamule.]
[1913 Webster]
- Styryl \Sty"ryl\, n. [Styrax + -yl.] (Chem.)
A hypothetical radical found in certain derivatives of
styrolene and cinnamic acid; -- called also cinnyl, or
cinnamyl.
[1913 Webster]