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autoionization

[aw-toh-ahy-uh-nuh-zey-shuh n] /ˌɔ toʊˌaɪ ə nəˈzeɪ ʃən/
noun, Physics.
Origin
auto-1 + ionization
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for autoionization

autoionization

/ˌɔːtəʊˌaɪənaɪˈzeɪʃən/
noun
1.
(physics) the process in which spontaneous decay of excited atoms or molecules results in emission of electrons, rather than photons
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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