also: an ink impression of the lines upon the fingertip taken for the purpose of identification
2
: something that identifies: such as
a
: a trait, trace, or characteristic revealing origin or responsibility
b
: analytical evidence (such as a spectrogram) that characterizes an object or substance
especially: the chromatogram or electrophoretogram obtained by cleaving a protein by enzymatic action and subjecting the resulting collection of peptides to two-dimensional chromatography or electrophoresis
c
: the base-pair pattern in an individual's DNA obtained by DNA fingerprinting
Detectives found his fingerprints all over the gun.
Everyone has a unique fingerprint.
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During the booking process, inmate fingerprints are automatically entered into a database accessible by all local, state, and federal law enforcement agencies, including ICE.—Mia Cathell, The Washington Examiner, 9 Mar. 2026 Wear gloves to avoid leaving fingerprints and smudges.—Brandee Gruener, Southern Living, 7 Mar. 2026 The officer grabbed her hand and forced her to sign using her fingerprint, Rodriguez said.—Andrea Castillo, Los Angeles Times, 6 Mar. 2026 The Bonner Springs Police Department recovered DNA evidence and fingerprints from the bin, the post said.—Caroline Zimmerman, Kansas City Star, 6 Mar. 2026 See All Example Sentences for fingerprint
especially: an ink impression of the lines on the fingertip taken for purpose of identification
2
: analytical evidence (as a spectrogram) that characterizes an object or substance
especially: the chromatogram or electrophoretogram obtained by cleaving a protein by enzymatic action and subjecting the resulting collection of peptides to two-dimensional chromatography or electrophoresis compare dna fingerprinting
fingerprint
2 of 2transitive verb
: to analyze (as spectrographically or chromatographically) in order to determine uniquely the identifying characteristics, origin, or constitution of
each protein was fingerprinted
fingerprintingnoun
Legal Definition
fingerprint
noun
fin·ger·print
: the impression of a fingertip on any surface
also: an ink impression of the lines upon the fingertip taken for the purpose of identification (as during the booking procedure following an arrest) see also dna fingerprinting