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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - An optical instrument that provides a view of an otherwise obstructed field.

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Usage examples (34)
  • The periscope is turned on and you are able to view the outside by clicing on the lense.
  • How the levers on the right side of the periscope is placed decide what you see outside.
  • The tinkle of broken glass sliding down the bamboo tube told that the periscope was a wreck.
  • The Torre Del Mangia bell tower that looks like a periscope is a flight of fantasy in brick and stone!
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.