Definition of autoionize in English:


Pronunciation /ˌɔːtəʊˈʌɪənʌɪz/


(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.


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