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field emission
noun
, Physics.
- the removal of electrons from a metallic conductor by a strong electric field.
field emission
noun
- the emission of electrons from a solid or liquid subjected to a high electric field
field emission
- The emission of electrons from the surface of a conductor, caused by a strong electric field. Field emission is used to create electron beams in certain electron microscopes, as well as in flat-panel computer and television displays, in which the electron beams produce light by striking a phosphor-coated screen.
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Word History and Origins
Origin of field emission1
First recorded in 1925–30
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