Definify.com

Webster 1913 Edition

Formyl

For′myl

,
Noun.
[
Form
ic +
-yl
.]
(Chem.)
(a)
A univalent radical,
H.C:O
, regarded as the essential residue of formic acid and aldehyde.
(b)
Formerly, the radical methyl,
CH3
.

Similar Results