/ Dictionary / Index G gel mineral: Meaning and Definition of Find definitions for: gel' min"eral Pronunciation: [key] a colloidal mineral. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gell-Mann gelsemium Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language