flux -
the rate of flow of energy or particles across a given surface
rate amount of a charge or payment relative to some basis; "a 10-minute phone call at that rate would cost $5"
neutron flux the rate of flow of neutrons; the number of neutrons passing through a unit area in unit time
flux -
in constant change; "his opinions are in flux"; "the newness and flux of the computer industry"
flux -
a state of uncertainty about what should be done (usually following some important event) preceding the establishment of a new direction of action; "the flux following the death of the emperor"
magnetosphere the magnetic field of a planet; the volume around the planet in which charged particles are subject more to the planet's magnetic field than to the solar magnetic field
flux -
(physics) the number of changes in energy flow across a given surface per unit area