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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No fingerprints, no witnesses, no murder weapon.—Los Angeles Times, 19 Apr. 2026 What resonates as a genuine cultural moment curdles quickly into propaganda the moment party fingerprints appear.—Nick Lichtenberg, Fortune, 19 Apr. 2026 Those with stainless steel appliances and a full household know the struggle of streaks, smudges, and fingerprints all over your once-shining cookware.—Hallie Milstein, Southern Living, 19 Apr. 2026 During the search, a woman was found dead in the kitchen’s freezer, and preliminary fingerprints determined the woman was Echavarria.—ABC News, 16 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