/ Dictionary / Index R reversal plate: Meaning and Definition of Find definitions for: rever'sal plate" Pronunciation: [key] — Photog. Photog. a plate developed by the reversal process. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. reversal film reversal process Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language