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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Medical Dictionary

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. JensenScience News9 May 1998
abbreviation DEXA, DXA

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