Definition, Meaning & Synonyms
periscope
noun
/ˈpɛrɪˌskoʊp/
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Definition
A device that allows an observer to see things that are not in their direct line of sight.
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Examples
- He used a periscope to look over the high fence.
- The submarine’s periscope allowed the crew to survey the surface without being detected.
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Meaning
A periscope is often used in submarines or other situations where direct visibility is blocked, enabling view over obstacles.
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Synonyms
- Viewfinder
- Observer
- Lookout