protective colloid: Meaning and Definition of

protec'tive col'loid

Pronunciation: [key]
— Physical Chem. Physical Chem.
  1. a lyophilic colloid added to a lyophobic sol to lessen its sensitivity to the precipitating effect of an electrolyte.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.