borescope

noun

bore·​scope ˈbȯr-ˌskōp How to pronounce borescope (audio)
: an optical device (such as a prism or optical fiber) used to inspect an inaccessible space (such as an engine cylinder)

Examples of borescope in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The nude images are believed to have been taken using a hidden borescope in the bathroom of a home, police said. Darcie Moran, Detroit Free Press, 8 Nov. 2024 The Depstech WF010 borescope is best described as a crazy wireless camera that lets your iPhone or Android device see inside just about anything. Maren Estrada, BGR, 25 June 2021 After watching a bunting dive into the talus at a specific location, the researchers would feed the borescope into the rubble labyrinth to light up and view the nests. Jake Buehler, Discover Magazine, 4 Feb. 2021

Word History

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of borescope was in 1941

Browse Nearby Words

Cite this Entry

“Borescope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/borescope. Accessed 9 Sep. 2025.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!