Definify.com
Webster 1913 Edition
Picoline
Pic′o-line
,Noun.
[L.
pix
, picis
, pitch + ol
eum oil + -ine
.] (Chem.)
Any one of three isometric bases (
C6H7N
) related to pyridine, and obtained from bone oil, acrolein ammonia, and coal-tar naphtha, as colorless mobile liquids of strong odor; – called also methyl pyridine
.