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单词 absorptiometry
释义

absorptiometryn.

Brit. /abzɔːptɪˈɒmᵻtri/, /absɔːptɪˈɒmᵻtri/, U.S. /æbˌzɔrptiˈɑmətri/, /əbˌzɔrptiˈɑmətri/, /æbˌsɔrptiˈɑmətri/, /əbˌsɔrptiˈɑmətri/
Forms: 1800s– absorptiometry, 1900s– absorptimetry.
Origin: A borrowing from Latin, combined with an English element; modelled on a German lexical item. Etymons: Latin absorptiō , -metry comb. form.
Etymology: < classical Latin absorptiō absorption n. + -metry comb. form, after German Absorptiometrie (1855 or earlier). Compare slightly earlier absorptiometer n., absorptiometric adj.In quot. 1860 in an account of work by Robert Bunsen on the absorption of gases by liquids (compare quot. 1855 at absorptiometer n. 1, 1855 at absorptiometric adj.).
Physics and Chemistry.
The measurement of absorption, esp. of light or other radiation, typically in order to determine the density of a substance or object.
ΘΚΠ
the world > matter > physics > atomic nucleus > measurement of ionizing radiation > [noun] > measurement of absorption
absorptiometry1860
1860 Nichol's Cycl. Physical Sci. (ed. 2) 3/2 The correspondence in both cases is certainly sufficiently remarkable to establish the value of absorptiometry.
1945 Jrnl. Criminal Law & Criminol. 37 346 The analysis..may be done either by absorptiometry or colorimetry.
1950 M. G. Mellon (title) Analytical absorption spectroscopy. Absorptimetry and colorimetry.
1973 Nature 20 July 186/1 Absorptiometry—a technique with important but limited applications.
2006 Women's Health July 129/3 Dual-energy x-ray absorptiometry uses a body scanner and two low-dose x-rays to read bone and soft-tissue mass.
This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).
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n.1860
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