flu·​ence | \ ˈflüən(t)s \
plural -s

Definition of fluence

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

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History and Etymology for fluence

Latin fluere to flow + English -ence

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Cite this Entry

“Fluence.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluence. Accessed 5 Dec. 2020.

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