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Meaning of periscopic

per•i•scop•ic

Pronunciation: (per"u-skop'ik), [key]
— adj.
  1. (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.
  2. pertaining to periscopes or their use.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.