/ Dictionary / Index P periscopic: Meaning and Definition of Find definitions for: per•i•scop•ic Pronunciation: (per"u-skop'ik), [key] — adj. (of certain lenses in special microscopes, cameras, etc.) giving distinct vision obliquely, or all around, as well as, or instead of, in a direct line. pertaining to periscopes or their use. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. periscope perish Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language