absorptiometry

American  

[ab-zawrp-tee-ahm-i-tree, -shee-ahm-i-tree] / æbˌzɔrp tiˈɑm ɪ tri, -ʃiˈɑm ɪ tri /

noun

1. the science or technique of measuring the concentration of a substance, such as a transparent solution, by its absorption of monochromatic light, typically by means of an absorptiometer.

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absorptiometry Scientific  

/ əb-sôrp′tē-ŏm′ĭ-trē /

1. A method of chemical analysis in which a sample of a substance is exposed to electromagnetic radiation, and the amount of radiation absorbed by the sample is measured. This measurement is then used to determine the concentration or chemical composition of the substance. Absorptiometry is used in medicine to measure bone density.

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Other Word Forms

• absorptiometric adjective

Example Sentences

Those screening X-rays — known as DXA for dual-energy X-ray absorptiometry — measure bone and also allow an estimation of fat.

From US News • Mar. 8, 2016

The standard in bone screening is dual energy X-ray absorptiometry, or DXA, a relatively inexpensive test that measures bone mineral density and is usually covered by insurance.

From New York Times • Aug. 27, 2012

Twice a month, the subjects had their body fat analyzed through “dual-energy X-ray absorptiometry scans.”

From Washington Post