Auto ionization

autoionization

[aw-toh-ahy-uh-nuh-zey-shuhn]
noun Physics.

Origin:
auto-1 + ionization

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World English Dictionary
autoionization or autoionisation (ˌɔːtəʊˌaɪənaɪˈzeɪʃən)
 
n
physics the process in which spontaneous decay of excited atoms or molecules results in emission of electrons, rather than photons
 
autoionisation or autoionisation
 
n

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