1. The rate of flow of energy or particles across a given surface
   "Scientists measured the neutron flux in the reactor"
    
2. In constant change
   "his opinions are in flux"; "the newness and flux of the computer industry"
    
3. A flow or discharge
   "The flux of ideas during the brainstorming session was impressive";
   - fluxion [archaic]
    
4. A substance added to molten metals to bond with impurities that can then be readily removed
   "The welder used flux to ensure a clean and strong joint"
    
5. Excessive discharge of liquid from a cavity or organ (as in watery diarrhoea)
   "The patient experienced a sudden flux that worried the doctors"
    
6. 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";
   - state of flux
    
7. The lines of force surrounding a permanent magnet or a moving charged particle
   "The Earth's magnetic flux protects us from harmful solar radiation";
   - magnetic field, magnetic flux
    
8. (physics) the number of changes in energy flow across a given surface per unit area
   "The scientist measured the magnetic flux density using a gaussmeter";
   - flux density

1. Move or progress freely as if in a stream
   "Ideas fluxed through his mind during meditation";
   - flow
    
2. (physics) become liquid or fluid when heated
   "The metal began to flux at high temperatures";
   - liquefy, liquify

Derived forms: fluxing, fluxes, fluxed

Type of: change, change integrity, chemical, chemical substance, density, field, field of force, flow, flowing, force field, move, pathology, rate, state

Encyclopedia: Flux