Definition of electron beam in English:

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electron beam

noun

Physics
A stream of electrons in a gas or vacuum.
Example sentences
  • This random emission of photons leaves the resulting electron beam with a fuzzy, rather than a sharply defined focus.
  • Finally we stained the sample, attaching heavy-metal ions to increase its electron density in the electron beam.
  • In the space between the flat type screen and the back electrode, linear cathodes and an electrode unit including an electron beam extracting electrode are arranged.

For editors and proofreaders

Syllabification: e·lec·tron beam

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