noun flu·ence \ˈflüən(t)s\

Definition of fluence



  1. 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. 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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Origin and Etymology of fluence

Latin fluere to flow + English -ence — more at fluid

Seen and Heard

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feeling or affected by lethargy

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