periscope definition

  • noun:
    • any one of different tubular optical tools that have reflecting elements, such as mirrors and prisms, to permit observation from a situation displaced from a primary type of picture.
    • a kind of viewing product that enables the viewer to see things at another height degree and often with minimal presence.
    • : an over-all or extensive view.
    • an over-all or comprehensive view.
    • a broad view or comprehensive summary. [Rare.]
    • 2. A musical instrument through which objects in a horizontal view can be seen through a vertical tube.
    • in photography, a photographic lens having a broad direction (90° or higher).
    • an optical tool providing you with a view of an otherwise obstructed area
  • verb:
    • to increase and peer around, in the manner of a periscope.

Related Sources

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