Meaning & use
borescope
An optical instrument with a long, thin tube used to inspect the interior of machinery or narrow spaces.
See it in a sentence
The technician used a borescope to check the engine's cylinders without disassembling it.
Inspectors ran a borescope through the pipe to look for cracks along its inner wall.
A note on using this word
Borescopes are common in aviation, automotive, and industrial maintenance for viewing areas that cannot be reached directly.
Words with a similar meaning
inspection scope
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