Periscope

usgb/ˈperɪskəʊp/
noun

A type of telescope that can be raised or lowered to look over or around objects. Mostly used in submarines.

The submarine operator used a periscope to check above the water's surface.
Visual representation of "periscope" - A type of telescope that can be raised or lowered to look over or around objects. Mostly used in submarines.

Often appears as...

  • raise the periscope
  • lower the periscope

Usage tips

Technical

Definition 1 of 2
Visual representation of "periscope"
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Naval Device

Periscope is primarily associated with nautical use, especially in submarines for observation.

Illustration for Naval Device
The captain ordered, 'Extend the periscope,' to survey the horizon.
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Vertical Mobility

Periscopes can move up or down to provide a safe way to observe without being exposed.

Illustration for Vertical Mobility
The sailor raised the periscope carefully to remain undetected.
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Visibility Aid

Periscopes are useful when direct line of sight is blocked, allowing indirect viewing.

Illustration for Visibility Aid
They used the periscope to view the landscape beyond the wall.
Visual representation of the word "Periscope"

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