thumbprint
/ˈθʌmˌprɪnt/
noun
- The mark made by the pad of the thumb, used for identification.
- The detective found a clear thumbprint on the glass.
- She left her thumbprint on the application form.
- The security system requires a thumbprint to unlock the door.
- A distinctive identifying characteristic or mark.
- Every artist's style is a unique thumbprint.
- The author's thumbprint is visible in every sentence she writes.
- The software leaves a digital thumbprint on every file it creates.
Synonyms