What does periscope mean?

Definitions for periscope
ˈpɛr əˌskoʊpperiscope

Here are all the possible meanings and translations of the word periscope.

Princeton's WordNet

  1. periscopenoun

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


  1. Periscopenoun

    An optical instrument of tubular shape containing an arrangement of lenses and mirrors (or prisms), allowing a person to observe a field of view otherwise obstructed, as beyond an obstructing object or (as in submarines) above the surface of the water.

    Etymology: [Pref. peri- + -scope.]


  1. periscopenoun

    A form of viewing device that allows the viewer to see things at a different height level and usually with minimal visibility.

  2. periscopenoun

    A general or comprehensive view.

  3. periscopeverb

    To rise and peer around, in the manner of a periscope.

Webster Dictionary

  1. Periscopenoun

    a general or comprehensive view

    Etymology: [Pref. peri- + -scope.]

  2. Periscopenoun

    an optical instrument of tubular shape containing an arrangement of lenses and mirrors (or prisms), allowing a person to observe a field of view otherwise obstructed, as beyond an obstructing object or (as in submarines) above the surface of the water

    Etymology: [Pref. peri- + -scope.]


  1. Periscope

    A periscope is an instrument for observation from a concealed 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 instead of mirrors, and providing magnification, operate on submarines. 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.

Chambers 20th Century Dictionary

  1. Periscope

    per′i-skōp, n. an instrument like the altiscope, used in directing submarine boats.—adj. Periscop′ic. [Gr. peri, about, skopein, to see.]


  1. Periscope

    Periscope, the largest independent agency in the Twin Cities with offices in Minneapolis, Hong Kong and Delhi, has 240 employees and $260 million in annual billings. Periscope’s diverse and impressive client roster includes leading local, national and international clients across a wide range of industries. For more information, visit www.periscope.com.Specialties: Periscope’s broad range of services includes Insight & Innovation, print and broadcast advertising, digital marketing, social media, collateral, in-store and package design, direct marketing, brand advocacy, graphic services and media planning and buying.

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  1. Chaldean Numerology

    The numerical value of periscope in Chaldean Numerology is: 6

  2. Pythagorean Numerology

    The numerical value of periscope in Pythagorean Numerology is: 7

Examples of periscope in a Sentence

  1. Lynda Tran:

    The Clinton campaign team in particular has already demonstrated real savvy in their approach, with concerted efforts on everything from Snapchat to Periscope, from college organizing teams to interviews with thought leaders and perceived trendsetters like Lena Dunham.

  2. House Democratic Leader Nancy Pelosi:

    Without Congressman Scott Peters and without the technology of Periscope [ the sit-in ] would just be a debate in the Halls of Congress unrecorded because they turned off the microphones, but we raised our voices. They turned off the cameras and we went to Periscope.

  3. Gerzof Richard:

    Companies looking to stay competitive in their market space, win new business and attract employees need to embrace video, they need to look at their mobile phones as video cameras and always think about creating relevant and meaningful content when going about their daily business activities. Related: 6 Big Reasons Small Businesses Need to Be on Periscope As video search technologies improve, bandwidth costs for uploading and downloading video drop and humans get better at shooting and posting video files, video will increasingly become a more dominant form of communication for all businesses, from startups to multi-national brands.

  4. Kim Garst:

    Plus, it’s not just Periscope. It’s live streaming as a whole.

  5. American Heritage:

    There was a periscope through which the pilot could observe the tail assembly for signs of ice accumulation or mechanical malfunction.

Images & Illustrations of periscope

  1. periscopeperiscopeperiscopeperiscopeperiscope

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Translations for periscope

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