dual-energy X-ray absorptiometry

noun

du·​al-en·​er·​gy X-ray absorptiometry ˈdü(-ə)l-ˈe-nər-jē- How to pronounce dual-energy X-ray absorptiometry (audio)
 also  ˈdyü-əl-
variants or 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

Word History

First Known Use

1988, in the meaning defined above

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

Dictionary Entries Near dual-energy X-ray absorptiometry

dual denominated

dual-energy X-ray absorptiometry

dual highway

Cite this Entry

“Dual-energy X-ray absorptiometry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dual-energy%20X-ray%20absorptiometry. Accessed 5 Dec. 2022.

Medical Definition

dual-energy X-ray absorptiometry

noun

du·​al-energy X-ray absorptiometry
ˈd(y)ü-əl-
: 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
abbreviation DEXA, DXA
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