Illustration of periscope
periscope
noun
peri·scope
ˈper-ə-ˌskōp 
: a tubular optical instrument containing lenses and mirrors by which an observer obtains an otherwise obstructed field of view
Examples of periscope in a Sentence
Recent Examples on the Web
Nikola Jokić is a time-bending honey drip with periscope vision.
—
Steven Louis Goldstein, New York Times, 11 Nov. 2025
This image captured through a submarine periscope shows a hit on a sea target after a United States B-2 bomber drops a QUICKSINK bomb over the Norwegian Sea on September 3, 2025.
—Ryan Chan, MSNBC Newsweek, 11 Sep. 2025
Unique dual-periscope zoom system.
—Paul Monckton, Forbes.com, 18 Aug. 2025
There is no equivalent to the 5x periscope telephoto lens on Samsung's flat flagship.
—ArsTechnica, 31 July 2025
See All Example Sentences for periscope
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Steven Louis Goldstein, New York Times, 11 Nov. 2025
This image captured through a submarine periscope shows a hit on a sea target after a United States B-2 bomber drops a QUICKSINK bomb over the Norwegian Sea on September 3, 2025.
—Ryan Chan, MSNBC Newsweek, 11 Sep. 2025
Unique dual-periscope zoom system.
—Paul Monckton, Forbes.com, 18 Aug. 2025
There is no equivalent to the 5x periscope telephoto lens on Samsung's flat flagship.
—ArsTechnica, 31 July 2025
See All Example Sentences for periscope
Cite this Entry
“Periscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/periscope. Accessed 12 Nov. 2025.
Copy CitationKids Definition
periscope
noun
peri·scope
ˈper-ə-ˌskōp
: an instrument containing lenses and mirrors by which an observer (as on a submerged submarine) can get a view that would otherwise be blocked
periscopic
adjective
ˌper-ə-ˈskäp-ik
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