dual energy X-ray absorptiometry


du·al energy X–ray absorptiometry

noun \ˈd(y)ü-əl-\

Definition of DUAL ENERGY X-RAY ABSORPTIOMETRY

: absorptiometry in which the density or mass of a material (as bone or fat) is measured by comparing the amounts of absorption by the material of x-radiation of two different energies generated by an X-ray tube and which is used especially for determining bone mineral content—abbreviation DEXA, DXA

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