a voluble and ſmart fluence of Tongue,1641, John Milton, Animadversions upon the Remonstrants Defence against Smectymnuus; republished in A Complete Collection of the Historical, Political, and Miscellaneous Works of John Milton, […], volume I, Amsterdam [actually London: s.n.], 1698, →OCLC, page 139:
2
Natural sciences, Physical sciences, Physics A measure of particle flux (or that of a pulse of electromagnetic radiation)
Derived terms
fluence rate
fluence
noun
Etymology Shortened form of influence.
1
A magical or mysterious force; hypnotic power; energy.
I don't say she would have done anything, if it had come to the point; but the fluence was on, and she got me hot.1974, GB Edwards, The Book of Ebenezer Le Page, New York, published 2007, page 191: