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
The periscope belonged to a miniature Japanese submarine operated by a two-man crew.
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Nick Woltman, Twin Cities, 23 Feb. 2025
The rest of the specs are solid and close to flagship, with a triple lens camera (50-megapixel main, 12-megapixel ultrawide, and 12-megapixel periscope telephoto), fairly large 5,600 mAh battery, 16 GB of RAM, and 1 TB of storage.
—Simon Hill, WIRED, 5 Mar. 2025
Plus, now my middle finger looked like a periscope.
—Mark Gauert, Sun Sentinel, 3 Mar. 2025
When another American vessel spotted a periscope peeking out of the waves nearby, the Ward and its 115 sailors — at least 85 of whom were St. Paulites — motored over to investigate.
—Nick Woltman, Twin Cities, 23 Feb. 2025
See All Example Sentences for periscope
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Nick Woltman, Twin Cities, 23 Feb. 2025
The rest of the specs are solid and close to flagship, with a triple lens camera (50-megapixel main, 12-megapixel ultrawide, and 12-megapixel periscope telephoto), fairly large 5,600 mAh battery, 16 GB of RAM, and 1 TB of storage.
—Simon Hill, WIRED, 5 Mar. 2025
Plus, now my middle finger looked like a periscope.
—Mark Gauert, Sun Sentinel, 3 Mar. 2025
When another American vessel spotted a periscope peeking out of the waves nearby, the Ward and its 115 sailors — at least 85 of whom were St. Paulites — motored over to investigate.
—Nick Woltman, Twin Cities, 23 Feb. 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 30 Apr. 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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