borescope

noun
UK /ˈbɔːrəskəʊp/
US /ˈbɔːrəskoʊp/

A borescope is a long, thin tool with a tiny camera that lets people look inside things they cannot see into.

The mechanic used a borescope to look inside the car's engine without taking it apart.


OTHER MEANINGS

2. A rigid optical instrument used in engineering to inspect narrow cavities and machinery interiors.

Engineers inserted a rigid borescope into the pipe to check for cracks.

3. A medical instrument, similar to an endoscope, used to view internal body structures.

The surgeon used a borescope to examine the joint during the procedure.

4. A flexible fiber-optic device used by inspectors to examine hard-to-reach areas in buildings.

The home inspector ran a borescope through the wall to check for mold.