periscope

noun
peri·​scope | \ˈper-ə-ˌskōp \

Definition of periscope 

: a tubular optical instrument containing lenses and mirrors by which an observer obtains an otherwise obstructed field of view

Illustration of periscope

Illustration of periscope

Examples of periscope in a Sentence

Recent Examples on the Web

Social media’s periscope into far-flung destinations—not to mention her own peripatetic moves from Marseilles to Brussels and now Paris—has allowed her to honor cultural differences while celebrating what’s common to all of us. Vogue, "How These 12 Boundary-Breaking Designers Continue to Think Globally," 13 Aug. 2018 This airplane periscope is the invention of Albert C. Randolph, an employe of the Ryan aircraft company, who has applied for patents. sandiegouniontribune.com, "April 29, 1927: Spirit of St. Louis takes flight," 29 Apr. 2018 And although Cale might have the money and the more advanced gear, Sean is quick on his feet, snapping FaceTime screenshots or using his camera as a periscope. Katie Walsh, kansascity, "‘Bad Samaritan’ makes its crazy story work | The Kansas City Star," 3 May 2018 For night missions, the driver can switch the central periscope to IR vision. Allison Barrie, Fox News, "Formidable 'Jaguar' recon vehicle revealed, touts powerful cannon and anti-tank missiles," 18 June 2018 Zeiss proved its chops making lenses for submarine periscopes and NASA’s Apollo program for moon photos. Matt Jancer, Outside Online, "Turn Your Phone into a Pro Adventure Movie Maker," 11 June 2018 But that drill bit is actually a high-powered periscope with a live feed to Haifa, Israel — 7,344 miles away. Sam Whiting, San Francisco Chronicle, "Periscope at Pier 27 peeks into Israel, live, from across the world," 31 May 2018 And although Cale might have the money and the more advanced gear, Sean is quick on his feet, snapping FaceTime screenshots or using his camera as a periscope. Katie Walsh, kansascity, "‘Bad Samaritan’ makes its crazy story work | The Kansas City Star," 3 May 2018 And although Cale might have the money and the more advanced gear, Sean is quick on his feet, snapping FaceTime screenshots or using his camera as a periscope. Katie Walsh, kansascity, "‘Bad Samaritan’ makes its crazy story work | The Kansas City Star," 3 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'periscope.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of periscope

1879, in the meaning defined above

History and Etymology for periscope

International Scientific Vocabulary

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Statistics for periscope

Last Updated

18 Nov 2018

Look-up Popularity

Time Traveler for periscope

The first known use of periscope was in 1879

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More Definitions for periscope

periscope

noun

English Language Learners Definition of periscope

: a long tube that contains lenses and mirrors and that is used to look over or around something and especially by a person in a submarine to see above the surface of the water

periscope

noun
peri·​scope | \ˈper-ə-ˌskōp \

Kids Definition of periscope

: an instrument containing lenses and mirrors by which a person (as on a submarine) can get a view that would otherwise be blocked

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