fingerprint
Refers to the pattern of ridges on a fingertip, used for identification. Common in forensic, security, and everyday contexts.
警察は現場で指紋を採取した。
The police collected fingerprints at the scene.
スマートフォンのロックを指紋認証で解除する。
I unlock my smartphone with fingerprint authentication.
There were fingerprints on the glass.
The police collected fingerprints from the scene.
The system automatically matches fingerprints.
The culprit didn't leave any fingerprints at the scene.