/ Dictionary / Index S Space Telescope: Meaning and Definition of Find definitions for: Space' Tel"escope Pronunciation: [key] a 7.9-ft. (2.4-m) optical telescope designed for use in orbit around the earth. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spacesuit space-time 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