Definition of autoionize in English:

autoionize

(also autoionise)

verb

Chemistry Physics
  • 1with object To cause to undergo autoionization.

  • 2no object To 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.

Pronunciation

autoionize

/ˌɔːtəʊˈʌɪənʌɪz/