borescope

borescope noun: an optical instrument used for seeing inside tight spaces, consisting of a rigid or flexible tube with an optical relay inside so that the view through a lens or window at one end of the tube may be seen from a lens or eyepiece in the opposite end of the tube.

Noun

borescope (plural borescopes)

An optical instrument used for seeing inside tight spaces, consisting of a rigid or flexible tube with an optical relay inside so that the view through a lens or window at one end of the tube may be seen from a lens or eyepiece in the opposite end of the tube.

Verb

borescope (third-person singular simple present borescopes, present participle borescoping, simple past and past participle borescoped)

To see inside or examine (something) using a borescope.
- Maintenance borescoped the jet engine to check for damaged turbine blades.

Forms of borescope

Noun
plural	borescopes
alternative form	boroscope
Verb
third-person singular present	borescopes
present participle	borescoping
past participle	borescoped
past	borescoped

Origin of borescope

From bore + -scope.

Questions about borescope

What does borescope mean?: Borescope means an optical instrument used for seeing inside tight spaces, consisting of a rigid or flexible tube with an optical relay inside so that the view through a lens or window at one end of the tube may be seen from a lens or eyepiece in the opposite end of the tube.
What part of speech is borescope?: Borescope can be a noun or a verb.
What is the plural of borescope?: The plural of borescope is borescopes.

Words near borescope in the dictionary

Adapted from Wiktionary: borescope (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this entry: “borescope.” Word.ws, https://word.ws/borescope. Based on Wiktionary, CC BY-SA 4.0.