Breadcrumb Home > Dictionary > Index G gum bichromate process: Meaning and Definition of Find definitions for: gum' bichro'mate proc"ess Pronunciation: [key] a contact printing method in which the image is formed on a coating of sensitized gum containing a suitable colored pigment and potassium or ammonium dichromate. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gum benzoin gumbo ✖ Related Content Daily Word Quiz: derogate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language