fluence

noun

flu·​ence

ˈflüən(t)s

plural -s

1

: the number of particles (such as photons or neutrons) incident on a sphere divided by the cross-sectional area of the sphere : the total number of particles per unit area with which a material is irradiated

particle fluence

2

: the sum of the energies of the particles of a fluence : the energy per unit area contained in the particles with which a material is irradiated

energy fluence

Word History

Etymology

Latin fluere to flow + English -ence

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