Meaning of fatty acid

fat'ty ac'id

Pronunciation: [key]
— Biochem. Biochem.
  1. any of a class of aliphatic acids, esp. palmitic, stearic, or oleic acid, consisting of a long hydrocarbon chain ending in a carboxyl group that bonds to glycerol to form a fat.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.