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or periscopical

[per-uh-skop-ik] /ˌpɛr əˈskɒp ɪk/
Optics. (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.
Origin of periscopic
1795-1805; < Greek periskop(eîn) to look about (see peri-, -scope) + -ic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for periscopic
Historical Examples
  • Russ leaped from the chair and raced to the periscopic mirror.

    Empire Clifford Donald Simak
  • Mr. Shelton, do you know anything about these periscopic binoculars?

    The Island Pharisees John Galsworthy
  • The periscopic gun sight and the controls were on a level with the operator's eyes.

    The Airlords of Han Philip Francis Nowlan
  • A pair of lenses thus equipped Dr. Wollaston called the periscopic microscope.

  • A very useful form of lens was proposed by Dr. Wollaston, and called by him the periscopic lens.

    The Microscope Andrew Ross
  • It didn't look like the periscopic eyes that those flying snakes had—looked more like a hexan eye, don't you think?

    Spacehounds of IPC Edward Elmer Smith
British Dictionary definitions for periscopic


(of a lens) having a wide field of view
Derived Forms
periscopically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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periscopic in Medicine

periscopic per·i·scop·ic (pěr'ĭ-skŏp'ĭk)
Of, relating to, or permitting the observation of objects from positions in or out of the direct line of sight.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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