Auto ionization


noun Physics.

auto-1 + ionization Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
autoionization or autoionisation (ˌɔːtəʊˌaɪənaɪˈzeɪʃən)
physics the process in which spontaneous decay of excited atoms or molecules results in emission of electrons, rather than photons
autoionisation or autoionisation

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