/ Dictionary / Index P prolamin: Meaning and Definition of Find definitions for: pro•lam•in Pronunciation: (prō-lam'in, prō'lu-min), [key] — n. Biochem. any of the class of simple proteins, as gliadin, hordein, or zein, found in grains, soluble in dilute acids, alkalis, and alcohols, and insoluble in water, neutral salt solutions, and absolute alcohol. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prolactin prolapse Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language