硝しょう煙えん反はん応のう

noun

gunshot residue detection test; chemical test for GSR

Technical term for a forensic chemical reaction used to detect gunpowder residue on a suspect's hands or clothing.

• 警けい察さつは容よう疑ぎ者しゃの手てに硝しょう煙えん反はん応のうを調しらべた。

  The police tested the suspect's hands for gunshot residue.

noun

gunpowder residue; gunshot residue; GSR

Colloquial extension referring to the residue itself, often used in crime reporting or casual forensic contexts.

• 犯はん人にんの服ふくから硝しょう煙えん反はん応のうが出でた。

  Gunshot residue was detected on the suspect's clothes.