自じ己こ解かい離り

noun

self-ionization; autoionization; self-dissociation

Chemistry term for a molecule ionizing itself without an external agent, most commonly used for water (水の自己解離).

• 水みずの自じ己こ解かい離りによって、純じゅん水すいにもわずかに水すい素そイオンと水すい酸さん化か物ぶつイオンが存そん在ざいする。

  Due to the self-ionization of water, even pure water contains a tiny amount of hydrogen ions and hydroxide ions.