Main definitions of fluence in English

: fluence1fluence2

fluence1

noun

mass nounBritish
informal
  • Mysterious, magical, or hypnotic power.

    ‘you've put the fluence on me, haven't you?’

Origin

Early 20th century: shortening of influence.

Pronunciation

fluence

/ˈfluːəns/

Main definitions of fluence in English

: fluence1fluence2

fluence2

noun

Physics
  • A stream of particles crossing a unit area, usually expressed as the number of particles per second.

    ‘the model computes the expected proton fluences from solar events’
    mass noun ‘an ion beam of low fluence’
    • ‘Different concentrations of BPA and different fluences of thermal neutrons were studied.’
    • ‘The extent of bleaching is significantly different even at low applied fluences’
    • ‘Combining optical clearing with laser radiation could reduce the laser fluences required for a therapeutic effect.’
    • ‘Under these low fluences of blue light, a rapid release of glucose from starch could provide substrate for glucosylating ABA to its inactive conjugate.’
    • ‘As expected, lower fluence rates induce greater growth delays than higher fluence rates, while higher fluences result in greater growth delays than lower fluences.’

Origin

Early 17th century (in the sense ‘a flowing, a stream’): from French, from Latin fluentia, from fluere ‘to flow’.

Pronunciation

fluence

/ˈfluːəns/