periscope
an optical instrument for viewing objects that are above the level of direct sight or in an otherwise obstructed field of vision, consisting essentially of a tube with an arrangement of prisms or mirrors and, usually, lenses: used especially in submarines.
a periscopic lens.
Origin of periscope
1Words Nearby periscope
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use periscope in a sentence
The lens rests in a vertical orientation and sees out through a small glass panel in the camera bar like a periscope.
Google Pixel 6 Pro smartphone review: Android’s homegrown hero | Stan Horaczek | October 25, 2021 | Popular-ScienceIt has a periscope camera that pops out of its head to let you see things higher up.
All the new gadgets Amazon announced at its Fall 2021 product event | Stan Horaczek | September 28, 2021 | Popular-ScienceRecently, Barkman purchased a military-surplus periscope for the bus, to complete the submarine look.
Rumors out of Asia suggest Apple is looking at the periscope technology for future iPhones, possibly as soon as next year.
A few models over the past year, like Samsung’s Galaxy S20 Ultra, debuted a trick to fit a longer lens into a thinner phone by placing it sideways and using a mirror to capture the image, periscope style.
In my case, it probably would be “Down periscope”—after accidentally ramming some Greenpeace research vessel.
There was no shelling at the moment, but rifle bullets kept flopping into the parapet especially when the periscope was moved.
Gallipoli Diary, Volume I | Ian HamiltonEvery hundred yards or so I had a close peep at the ground in front through de Lisle's periscope.
Gallipoli Diary, Volume I | Ian HamiltonThe periscope is the one part of the submarine scout equipment that is open to vision from the surface.
The Wonder Book of Knowledge | VariousCuriously the others crowded about the object glass of the periscope.
Boy Scouts in the North Sea | G. Harvey RalphsonAnd just then the Weathercock shouted something which sounded very much like "periscope!"
The Cruise of the Noah's Ark | David Cory
British Dictionary definitions for periscope
/ (ˈpɛrɪˌskəʊp) /
any of a number of optical instruments that enable the user to view objects that are not in the direct line of vision, such as one in a submarine for looking above the surface of the water. They have a system of mirrors or prisms to reflect the light and often contain focusing lenses
Origin of periscope
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for periscope
[ pĕr′ĭ-skōp′ ]
An instrument that has angled mirrors or prisms and allows objects not in the direct line of sight to be seen, often used on submarines and in military reconnaissance.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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