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periscopes

  • plural
    of periscope.
    periscope
    noun
    an optical instrument for viewing objects that are above the level of direct sight or in an otherwise obstructed field of vision, consisting essentially of a tube with an arrangement of prisms or mirrors and, usually, lenses: used especially in submarines.

Example Sentences

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The order will see Thales Glasgow continue a 100-year tradition of making periscopes for Royal Navy submarines.

From BBC Jul. 13, 2023

“And they’re able to see periscopes or other changes in the water that can point to a submarine.”

From New York Times Feb. 3, 2023

Marmots whistle from the berry bushes, their heads protruding from the leaves like periscopes as they scan their surroundings.

From Seattle Times Mar. 7, 2021

Still on the forbidden list: Phones, firearms, running, tipping, wearing baseball caps backward, ladders, periscopes and calling fans anything other than “patrons.”

From Washington Times Apr. 9, 2016

Little water snakes slipped down to the rocks and then gently entered the water and swam along through the pool, their heads held up like little periscopes and a tiny wake spreading behind them.

From "Cannery Row" by John Steinbeck

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