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Definition of autoionize in English:

autoionize

Pronunciation /ˌɔːtəʊˈʌɪənʌɪz/

verb

(also autoionise)
Chemistry Physics

  • 1To cause to undergo autoionization.

  • 2To undergo autoionization; specifically (of an atom or an energy level) to pass to a state or level of lower energy with the loss of an electron; (of a neutral substance) to dissociate forming positive and negative ions.

Origin

Early 20th century; earliest use found in Journal of Physical Chemistry. From auto- + ionize, after autoionization.