单词 | absorptiometry |
释义 | absorptiometryn. 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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