- any of three isomeric methyl derivatives of pyridine having the formula C6H7N, obtained from coal tar as a colorless oily liquid with a strong odor.
Origin of picoline
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a liquid derivative of pyridine found in bone oil and coal tar; methylpyridene. Formula: C 5 H 4 N(CH 3)
C19: from Latin pic-, pix pitch ² + -ol ² + -ine ²