Definition of multilateralization in English:

multilateralization

noun

(also multilateralisation)
  • The action or process of making something multilateral.

Pronunciation

multilateralization

/mʌltɪˌlat(ə)rəlʌɪˈzeɪʃn/ /mʌltɪˌlat(ə)r(ə)lʌɪˈzeɪʃn/

Origin

1940s. From multilateralize + -ation.