Definition of mutualization in English:
mutualization
(also mutualisation)
noun ˌmjuːtʃʊəlʌɪˈzeɪʃnˌmjuːtjʊəlʌɪˈzeɪʃnˌmjuːtʃ(ʊ)lʌɪˈzeɪʃn
Finance The action or process of mutualizing.
Origin
Early 20th century; earliest use found in American Journal of Sociology. From mutualize + -ation.