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field emission

noun

, Physics.
  1. the removal of electrons from a metallic conductor by a strong electric field.

field emission

noun

  1. the emission of electrons from a solid or liquid subjected to a high electric field
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

field emission

  1. 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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field-effect transistorfield-emission microscope

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