Etymology
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biometry (n.)
1831, "calculation of life expectancy" (obsolete); see bio- + -metry. Coined by Whewell, popularized 1860s by T.S. Lambert. Later, "application of mathematics to the study of biology" (1894). Related: Biometer, used in various senses from 1830s; from 1865 as "life table," calculating the duration of life under given conditions.
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biometric (adj.)
1888, "of or pertaining to biometry" (q.v.). With -ic.
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biometrics (n.)
"application of statistics and mathematics to the study of biology," 1902, from biometry (also see -ics).
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