Pronunciation: /ˈplʊər(ə)lʌɪz/
(also pluralise)
verb
[with object]-
1cause to become more numerous: this approach can have advantages in terms of pluralizing and relativizing the student’s perspectives
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cause to be made up of several different elements: society has been immigrated and integrated, pluralized and multiculturized
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2give a plural form to (a word): words sensed to be inherently plural were incorrectly pluralized

Derivatives
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Pronunciation: /-ˈzeɪʃ(ə)n/
noun