/ Dictionary / Index A alginate: Meaning and Definition of Find definitions for: al•gi•nate Pronunciation: (al'ju-nāt"), [key] — n. a salt of alginic acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. algin algin fiber Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language