Definition of multilateralization in English:

multilateralization

(also multilateralisation)

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

noun

  • The action or process of making something multilateral.

Origin

1940s. From multilateralize + -ation.