autoionization

[ aw-toh-ahy-uh-nuh-zey-shuh n ]
/ ˌɔ toʊˌaɪ ə nəˈzeɪ ʃən /

noun Physics.

Origin of autoionization

British Dictionary definitions for autoionization

autoionization

autoionisation

/ (ˌɔːtəʊˌaɪənaɪˈzeɪʃən) /

noun

physics the process in which spontaneous decay of excited atoms or molecules results in emission of electrons, rather than photons