/ Dictionary / Index C correcting plate: Meaning and Definition of Find definitions for: correct'ing plate" Pronunciation: [key] — Optics. Optics. a thin lens used to correct incoming light rays in special forms of reflecting telescopes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. correct correction Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language