Meaning of alginic acid

al•gin'ic ac'id

Pronunciation: (al-jin'ik), [key]
— Chem. Chem.
  1. an insoluble, colloidal acid, (CHO), found in the cell walls of various kelps, esp. brown kelps, known chiefly in the form of its salts, and used as a thickening or stabilizing agent in foodstuffs, esp. ice cream, and for sizing paper.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.