Wiktionary
n. (context physics English) A measure of rate of flow of a fluid, particles or energy per unit area
WordNet
n. (physics) the number of flux changes per unit area [syn: flux]
Usage examples of "flux density".
A nuclear imaging instrument of astronomic range placed the planet within a bowl of magnetic fields of flux density equal, at the peaks of the pulse, to the magnetosphere of a micropulsar.
Beyond that, Flux would begin to thin, sufficient for atmospheric maintenance but with rapidly declining heat as you went beyond the zone, and without sufficient Flux density to properly use it in transmutation.
The bolt had no penetration, even against an aircraft's light-alloy sheeting, but its enormous flux density converted the target surface into a plasma with a shattering acoustic pulse radiating from the back of the panel.
There were more of those inadequate noises as rockets went out-every tube on the starboard side emptied itself in a series of savage grunts-and the Niccola's magnetronic drive roared at full flux density.
Elmo's Fire, the greatest flux density of which his suit was capable.
He could boost flux density to maximum and pray for rapid, total disintegration of the melting, atom-shedding drill.
They were four-inch high-output weapons with a hundred times the flux density of a thruster nozzle.
The first results of the instrument readings showed that the Kalup-generated screening field continued stable even though under expansion its flux density diminished.
They've got a flux density of ten times our best--and there's not even a hint of a power source.
Elmos Fire, the greatest flux density of which his suit was capable.