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Longman Dictionary of Contemporary English
periscope
noun
EXAMPLES FROM CORPUS
▪ And when they did, they moved very slowly, like a periscope.
▪ He scorned the use of a periscope, and stood and poked his head over the parapet.
▪ I've always found a periscope to be a very useful accessory in these conditions.
▪ Rear cockpit above features a periscope that seemingly makes the front occupant's head transparent.
▪ Their plan, which involves a periscope, works in unexpected ways.
▪ We upped periscope, identified it, then downed periscope.
▪ When I started circuit work that periscope, completely forgotten during the flight, made me jump just before touchdown.
The Collaborative International Dictionary
Periscope

Periscope \Per"i*scope\, n. [Pref. peri- + -scope.] A general or comprehensive view. [R.]

Douglas Harper's Etymology Dictionary
periscope

viewing apparatus on a submarine, 1899, formed in English from peri- "around" + -scope "instrument for viewing." Earlier (1865) a technical term in photography. Related: Periscopic.

Wiktionary
periscope

n. 1 A form of viewing device that allows the viewer to see things at a different height level and usually with minimal visibility. 2 (context obsolete English): A general or comprehensive view. vb. (context intransitive English) To rise and peer around, in the manner of a periscope.

WordNet
periscope

n. an optical instrument that provides a view of an otherwise obstructed field

Wikipedia
Periscope

A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position.

In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45-degree angle. This form of periscope, with the addition of two simple lenses, served for observation purposes in the trenches during World War I. Military personnel also use periscopes in some gun turrets and in armoured vehicles.

More complex periscopes, using prisms and/or advanced fiber optics instead of mirrors, and providing magnification, operate on submarines and in various fields of science. The overall design of the classical submarine periscope is very simple: two telescopes pointed into each other. If the two telescopes have different individual magnification, the difference between them causes an overall magnification or reduction.

Periscope (art gallery)

Periscope was an art gallery and event space located in the Lee Bank area of Birmingham, England.

The gallery was opened in 2004 by the Birmingham Artists collective (which also ran the former B16 Gallery near Brindleyplace) and forms part of their studio complex on Holloway Head. It hosted a programme of exhibitions and events by Birmingham Artists members and by visiting artists and curators, with work ranging from experimental installation art to traditional painting. Over 200 artists exhibited.

In June 2007 a regular £50,000 grant was withdrawn at short notice by Birmingham City Council and the gallery faced closure in December 2007 after it had fulfilled its remaining commitments.

Periscope (album)

Periscope is the third studio album by the stoner rock/ psychedelic rock band Colour Haze, released in 1999. Periscope was re-released in 2005 on the label Elektrohasch, which featured the bonus track "Transmitter" not previously included on the 1999 version.

Periscope (arcade game)

Periscope is an arcade game released in Japan by Sega Enterprises in 1966. The game was developed by the newly merged Sega Enterprise's CEO, David Rosen.

Periscope (app)

Periscope is a live video streaming app for iOS and Android developed by Kayvon Beykpour and Joe Bernstein and acquired by Twitter before launch in 2015.

Periscope (disambiguation)

A periscope is a device for viewing things past obstacles.

Periscope may also refer to:

  • Le périscope, a 1916 film by Abel Gance
  • Periscope (app), a video streaming app
  • Periscope Entertainment, a Los Angeles-based film company
  • Periscope Pictures, a film production company based in Prince Edward Island, Canada
  • Periscope Studio, a comics and illustration studio based in Portland, Oregon, USA
  • Periscope (album), 1999 stoner/psychedelic rock album by Colour Haze

Usage examples of "periscope".

At the outer edges were the periscopes for the flash and rotating prism cameras that would record every microsecond of a blast.

Hugging the parados, messengers carried the word in both directions and presently periscopes were leveled above the parados and keen eyes were searching out the traitor.

The last time we pinged, I bet we had him at periscope depth and he ducked down deep while we came over.

Above his head he could see the two periscopes twisting on the standards as Quinton and Forster made repeated checks to fix their position.

Forster glanced at Quinton who was in his customary place between the helmsman and the raised periscope.

This was so important he would j have liked to raise the second periscope so that Quinton could confirm what he saw.

CHAPTER 12 FRIDAY, 10 MAY 0705 GREENWICH MEAN TIME western pacific ocean dive point, 150 nautical miles southwest OF yokosuka USS seawolf 1605 local time The control room crew seemed tense, the room buzzing with the murmured voices of the watch standers Pacino stood in the forward starboard corner of the room, near the attack center, and watched the periscope video monitor, the television that showed the view out the number-two periscope.

Yes, there was the lake, an amoeboid splotch of liquid silver almost in the center of the periscope screen, its mirrorlike surface broken by a spattering of black islets.

When they came to their point of departure a mile off the Amoy harbor, the sub came up to periscope depth and the captain checked all around.

The junior lieutenant quickly moved away from the scope, and Krakov grasped the horizontal periscope grips somehow reassured by the feel of the antiskid etching on the cylindrical grips.

USS billfish Commander Harrison Toth IV stepped up to the periscope stand of the USS Billfish, shouldering aside the heavy curtain surrounding the periscope stand that was used to screen out the glow from the control-room instruments when the room was rigged for black.

He relinquished the periscope to Officer of the Deck Lieutenant Brayton and spoke to the crew.

He turned the periscope back over to Brayton and picked up the microphone, hit a toggle switch and spoke, his voice that echoed back at him sounding like the voice of a giant bouncing off the ocean floor.

The elevated periscope stand in the control room where the Officer of the Deck usually conns the submarine.

Gazing out his periscope, Luis saw the first globs of rain splash on the deck.