secondary emission

noun

the emission of electrons (secondary electrons) from a material that is bombarded with electrons or ions.

Origin of secondary emission

First recorded in 1930–35

Words nearby secondary emission

secondary digestion, secondary disease, secondary drive, secondary dysmenorrhea, secondary electron, secondary emission, secondary encephalitis, secondary follicle, secondary gain, secondary glaucoma, secondary gout

British Dictionary definitions for secondary emission

secondary emission

noun

physics the emission of electrons (secondary electrons) from a solid as a result of bombardment with a beam of electrons, ions, or metastable atoms: used in electron multipliers

Scientific definitions for secondary emission

secondary emission

The emission of electrons or ions from a material, caused by collisions of electrons or other charged particles with the material. Electron multipliers, photomultipliers, and Geiger counters all work by means of secondary emission.