Definition of multinationalism in English:

multinationalism

noun

  • 1The presence, involvement, or partnership of many countries or nationalities. rare.

  • 2South African. An apartheid policy which regarded the population of South Africa as a number of distinct ‘nations’ which should eventually be geographically and politically separated from each other. Compare "separate development". Now historical.

  • 3Business. The practice or policy of operating in several or many countries.

Origin

1940s; earliest use found in Annals of the American Academy of Political and Social Science. From multinational + -ism.

Pronunciation

multinationalism

/ˌmʌltɪˈnaʃ(ə)n(ə)lɪz(ə)m//ˌmʌltɪˈnaʃn(ə)lɪz(ə)m/