Question

in_the_loop_213 an imaginary device one uses to look for something very carefully The expression suggests the idea that if something can be found (i.e., if it exists), it can be found by using a comb with very fine (i.e., closely spaced) teeth.

Accepted Answer

FINE-TOOTH COMB That professor goes over his students’ research papers with a fine-tooth comb looking for mistakes. If there are any, he finds them.The police examined the crime scene. They went over it with a fine-tooth comb, but they couldn’t find any.

Id	in_the_loop_213
Idiom	FINE-TOOTH COMB
Definition	an imaginary device one uses to look for something very carefully
Examples	That professor goes over his students’ research papers with a fine-tooth comb looking for mistakes. If there are any, he finds them. The police examined the crime scene. They went over it with a fine-tooth comb, but they couldn’t find any.
Extra Info	The expression suggests the idea that if something can be found (i.e., if it exists), it can be found by using a comb with very fine (i.e., closely spaced) teeth.

Comb Fine Tooth Found I.E Loop Imaginary Device Carefully