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

Examples of dual-energy X-ray absorptiometry in a Sentence

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Average Levels and Nutritional Needs Calcium levels in adults are measured using blood tests, whereas bone density scans, known as dual-energy X-ray absorptiometry (DEXA) scans, provide information about bone density. — Angela Ryan Lee, Verywell Health, 26 Feb. 2025 According to the Mayo Clinic, a bone density scan—also called a DEXA (dual-energy X-ray absorptiometry) scan—is a quick and painless test that detects early signs of bone loss. — Sandra Rose Salathe, Flow Space, 9 Dec. 2024

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

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dual denominated
dual-energy X-ray absorptiometry
dual highway
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“Dual-energy X-ray absorptiometry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dual-energy%20X-ray%20absorptiometry. Accessed 31 Mar. 2025.

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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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