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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These outsized musical personalities often leave more distinctive fingerprints on the songs than the BTS members themselves do.—Mitch Therieau, New Yorker, 27 Mar. 2026 Biometrics are methods of authentication that rely on unique physical characteristics to identify you—think your hair, face, fingerprint, and even your DNA.—Justyn Newman, PC Magazine, 27 Mar. 2026 One can see his fingerprints in work from fellow photographers Jamie Hawkesworth and Alec Soth, the staged intimacy of a Charli xcx video, the hyperaware vulnerability of a Perfume Genius album cover, and the sterile-surreal domestic tension in a Yorgos Lanthimos film.—Vanity Fair, 26 Mar. 2026 Researchers use vibrational spectroscopy to identify microplastics, which entails measuring how the particle interacts with light to produce what scientists call a chemical fingerprint.—Anne McNeil, The Conversation, 26 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