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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In 2014, a hacker claimed to have cloned a fingerprint of European Commission President Ursula von der Leyen, then Germany’s defence minister, using close-up photos taken at a press event.—
Chas Newkey-Burden,
TheWeek,
29 June 2026 Past attempts to teach people to spot AI faces have focused on training viewers to look for visual glitches or statistical fingerprints left behind by a particular image generator, such as a wonky ear or an eye with two pupils.—
Sam MacDonald,
Scientific American,
29 June 2026 The finish also repels fingerprints and other marks, very much unlike my gray XGIMI Elfin Flip projector.—New Atlas,
29 June 2026 The sharpest critiques suggest audience fatigue with Gunn’s stylistic fingerprints and concern that the character has drifted from her traditional identity.—
Anthony D'alessandro,
Deadline,
29 June 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