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“electron emission”
electron emission
1. The release of electrons from a specific material into the surrounding area or space.
It may be caused by an electric field, light, heat, or impact chemical disintegration.
2. A liberation of electrons from a substance into a vacuum.Since all substances consist of atoms and since all atoms contain electrons, any substance may emit electrons; usually, however, the term refers to the emission of electrons from the surface of a solid.
3. The freeing of electrons into space from the surface of a body under the influence of heat, light, impact, chemical disintegration, or a potential difference.
This entry is located in the following units:
electro-, electr-, electri-
(page 48)
-tron, -tronic, -tronics +
(page 4)