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.
Origin of periscopic
< Greek periskop(eîn
) to look about (see peri-
) + -ic
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for periscopic
Historical Examples of periscopic
Mr. Shelton, do you know anything about these periscopic binoculars?
Russ leaped from the chair and raced to the periscopic mirror.
A very useful form of lens was proposed by Dr. Wollaston, and called by him the Periscopic lens.
A pair of lenses thus equipped Dr. Wollaston called the periscopic microscope.
The periscopic gun sight and the controls were on a level with the operator's eyes.
British Dictionary definitions for periscopic
Derived Formsperiscopically, adverb
(of a lens) having a wide field of view
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
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.