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fluence

Pronunciation: flu'ens

Definition: A measure of the quantity of x-radiation in a beam in diagnostic radiology, either particle fluence, the number of photons passing an aperture of unit cross-sectional area, or energy fluence, the sum of the energies of the photons passing through a unit area.

[L. fluentia, a flowing, fr. fluo, to flow]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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