biometrics

noun

bio·​met·​rics ˌbī-ō-ˈme-triks How to pronounce biometrics (audio)
plural in form but singular or plural in construction
1
2
: the measurement and analysis of unique physical or behavioral characteristics (such as fingerprint or voice patterns) especially as a means of verifying personal identity

Word History

First Known Use

1902, in the meaning defined at sense 1

Time Traveler
The first known use of biometrics was in 1902

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Cite this Entry

“Biometrics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biometrics. Accessed 9 Sep. 2025.

Medical Definition

biometrics

noun, plural in form but singular or plural in construction
bio·​met·​rics -ˈme-triks How to pronounce biometrics (audio)
1
2
: the measurement and analysis of unique physical or behavioral characteristics (such as fingerprint or voice patterns) especially as a means of verifying personal identity
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