bore·​scope | \ ˈbȯr-ˌskōp How to pronounce borescope (audio) \

Definition of borescope

: 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

Unusual vibrations were noticed coming from the engine during sea trials, and a borescope inspection revealed the damage to several of the turbine fan blades. Kyle Mizokami, Popular Mechanics, "Navy Stealth Destroyer Gets a 15-Ton Engine Transplant," 5 Sep. 2018 Instead of couches and other furniture, the mobile lab has storage boxes, 13 workstations, soldering equipment, a borescope that can find defects in pipes, 3D printing equipment and devices that measure fatigue in materials. Stephen Singer,, "Goodwin College Mobile Classroom Hits The Road To Pitch Connecticut Students On Manufacturing," 18 June 2018 If that doesn’t work, drill a hole next to the lock, and insert your borescope to line up the notches by sight. Malia Wollan, New York Times, "How to Crack a Safe," 4 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'borescope.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of borescope

1941, in the meaning defined above

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Dictionary Entries near borescope


bore meal






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Time Traveler for borescope

The first known use of borescope was in 1941

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recurring in steady succession

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