Meaning of picoline

pic•o•line

Pronunciation: (pik'u-lēn", -lin), [key]
— n. Chem.
  1. any of three isomeric methyl derivatives of pyridine having the formula CHN, obtained from coal tar as a colorless oily liquid with a strong odor.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.