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thumbprint

[ thuhm-print ]
/ ˈθʌmˌprɪnt /
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noun
a mark or impression of the ventral surface of the last joint of the thumb.
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Origin of thumbprint

First recorded in 1895–1900; thumb + print
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use thumbprint in a sentence

British Dictionary definitions for thumbprint

thumbprint
/ (ˈθʌmˌprɪnt) /

noun
an impression of the upper part of the thumb, used esp for identification purposesSee fingerprint
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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