fingerprints
n. countable A2 Elementary US //ˈfɪŋɡɝˌpɹɪnts// UK //fˈɪŋɡəpɹˌɪnts// fin·ger·prints
n. the unique patterns of lines on the tips of your fingers. Because everyone has different patterns, police use them to identify people.
n. the unique impressions or marks left by the ridges on the pads of human fingers. Often used as a primary biometric identifier in forensic investigations.
The police found fingerprints on the window.
The detective carefully dusted the safe for fingerprints to see if the thief had left any evidence behind.
Modern forensic science relies on the fact that no two individuals possess identical fingerprints, making them an invaluable tool for establishing presence at a crime scene.
Usage
Usually appears in the plural form when referring to the set of marks left behind.