Definition of substantivization in US English:

substantivization

noun

  • The action or process of converting an adjective (verb, etc.) into a noun (substantive).

Origin

Early 20th century; earliest use found in Transactions and Proceedings of the American Philological Association. From substantivize + -ation.

Pronunciation

substantivization

/səbˌstantɪvʌɪˈzeɪʃn/