Breadcrumb Home > Dictionary > Index I intrinsic factor: Meaning and Definition of Find definitions for: intrin'sic fac"tor Pronunciation: [key] — Biochem. Biochem. a glycoprotein, secreted by the gastric mucosa, that is involved in the intestinal absorption of vitamin B. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. intrinsic intrinsic parity TrendingHere are the facts and trivia that people are buzzing about. Did Birds Evolve from Dinosaurs? The Twelve Dancing Princesses Current Events This Week: January 2023 African Americans by the Numbers Andersen's Fairy Tales: Contents The Celtic Twilight: A Teller of Tales ✖ Related Content Daily Word Quiz: limpid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language