secondary emission

noun

Definition of secondary emission 

: the emission of electrons from a surface that is bombarded by particles (such as electrons or ions) from a primary source

First Known Use of secondary emission

1918, in the meaning defined above

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The first known use of secondary emission was in 1918

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secondary emission

noun

Medical Definition of secondary emission 

: the emission of electrons from a surface that is bombarded by particles (as electrons or ions) from a primary source

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Britannica.com: Encyclopedia article about secondary emission

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