B3O1R1E1S1C3O1P3E1
15 points
BORESCOPE is validvalid
an instrument used to peer through a bored hole [n BORESCOPES]
an optical device, e.g. a prism, used to inspect an inaccessible space e.g. an engine cylinder [n -S]
an instrument used to peer through a bored hole [n BORESCOPES]
an optical device, e.g. a prism, used to inspect an inaccessible space e.g. an engine cylinder [n -S]