Fingerprint
Definition 1 of 3
Pro Tip 1/3
Crime Scene Clue
Fingerprints are often used in detective stories to solve crimes. The detective lifted the clear fingerprint from the glass.
Pro Tip 2/3
Personal Identifier
Every person's fingerprint is unique, like a personal signature. Her fingerprint was the key to unlock her phone.
Pro Tip 3/3
Figurative Use
'Leaving a fingerprint' can mean having an impact or influence. His mentorship left a lasting fingerprint on my career.