noun
the act of taking fingerprints for identification purposes
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Fingerprinting is a common method used in forensic science to identify individuals based on their unique patterns of ridges and valleys on their fingertips.
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They had to do fingerprinting at the police station after the break-in.
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I heard they're doing fingerprinting at the crime scene to catch the thief.
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In a way, our choices and actions can act as a form of fingerprinting, leaving a unique mark on the world around us.