/ Dictionary / Index S SLR: Meaning and Definition of Find definitions for: SLR Pronunciation: [key] — Photog. Photog. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. S.L.P. slub Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language