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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The girl’s fingerprints were on the patrol car’s hood, intermingled with Duckett’s.—Orlando Sentinel Editorial Board, Sun Sentinel, 4 Apr. 2026 An examination of his patrol car revealed Teresa’s fingerprints on the hood of his patrol car, intermingled with Duckett’s.—Orlando Sentinel Editorial Board, The Orlando Sentinel, 3 Apr. 2026 Say goodbye to oils, fingerprints, dust and debris blocking your vision.—Tory Johnson, ABC News, 3 Apr. 2026 However, the fingerprint of that photo is now completely new, meaning the hashing technology doesn’t recognize it as the same photo with just that one pixel difference.—Catherina Gioino, Fortune, 3 Apr. 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