anionic detergent: Meaning and Definition of

anion'ic deter'gent

Pronunciation: [key]
— Chem. Chem.
  1. any of a class of synthetic compounds whose anions are alkali salts, as soap, or whose ions are ammonium salts.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.