fine tooth

/ˈfaɪn tuːθ/
adjective
  1. Having closely spaced teeth (as in a comb or saw), or used in the phrase 'fine-tooth comb' to mean very thorough and detailed.
    • We need to examine the contract with a fine-tooth comb before signing.
    • The detective went over the evidence with a fine-tooth comb.
    • She used a fine-tooth comb to remove the tangles from her hair.
What does "fine tooth" mean? | whatsthatwordmean | whatsthatwordmean