You know what it looks like… but what is it called?
TAKE THE QUIZ“dual energy”
We have one entry that includes the term dual energy.
dual-energy X-ray absorptiometry
noun: 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
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Merriam-Webster unabridged