extensionalization
noun
ex·ten·sion·al·iza·tion
| \ ikˌstenchənᵊlə̇ˈzāshən, (ˌ)ekˌ-, -chnə- lə̇-, -ᵊlˌīˈz-, -əˌlīˈz-\
plural -s
Definition of extensionalization
: the act of extensionalizing or condition of being extensionalized