Definition of electron beam in English:

electron beam

Syllabification: e·lec·tron beam

noun

Physics
  • A stream of electrons in a gas or vacuum.
    More 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.

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Word of the day astrogation
Pronunciation: ˌastrəˈgāSHən
noun
(in science fiction) navigation in outer space