Definition of oceanization in English:

oceanization

Pronunciation /ˌəʊʃ(ə)nʌɪˈzeɪʃn/

noun

(also oceanisation)
Geology
  • The conversion of continental crust into the much thinner and petrologically distinct oceanic crust.

Origin

1960s; earliest use found in Journal of Geophysical Research. From ocean + -ization.