noun
- any of three isomeric methylpyridines, C₆H₇N, used in organic synthesis and as solvents
Usage: chemistry; also called picoline
Examples
- Picolin is commonly used as a solvent in laboratory settings.
- The three isomers of picolin differ in the position of the methyl group on the pyridine ring.
- Chemists often employ picolin in organic synthesis reactions.