dual-energy X-ray absorptiometry

noun
variants: or dual energy X-ray absorptiometry

Definition of dual-energy X-ray absorptiometry 

: absorptiometry in which the density or mass of a material (such as bone) is measured by comparing the material's absorption of X-rays of two different energies and which is used especially for determining the mineral content of bone abbreviation DEXA, DXA

First Known Use of dual-energy X-ray absorptiometry

1988, in the meaning defined above

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The first known use of dual-energy X-ray absorptiometry was in 1988

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dual-energy X-ray absorptiometry

noun
du·​al-energy X-ray absorptiometry | \ˈd(y)ü-əl-\

Medical Definition of dual-energy X-ray absorptiometry 

: absorptiometry in which the density or mass of a material (such as bone or fat) is measured by comparing the material's absorption of X-rays of two different energies and which is used especially for determining the mineral content and density of bone A medical exam ascertained bone density by using dual-energy X- ray absorptiometry (DXA), a standard method of assessing the extent of osteoporosis.— Mari N. Jensen, Science News, 9 May 1998 abbreviation DEXA, DXA

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