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nat·u·ral·ize / ˈnachərəˌlīz/ • v. [tr.] 1. (often be/become naturalized) admit (a foreigner) to the citizenship of a country: he was born in a foreign country and had never been naturalized | [as adj.] (naturalized) a naturalized U.S. citizen born in Germany. ∎  [intr.] (of a foreigner) be admitted to the citizenship of a country: the opportunity to naturalize as American. ∎  alter (an adopted foreign word) so that it conforms more closely to the phonology or orthography of the adopting language: the stoccafisso of Liguria was naturalized in Nice as stocoficada. 2. [usu. as adj.] (naturalized) Biol. establish (a plant or animal) so that it lives wild in a region where it is not indigenous: native and naturalized species | black mustard has become naturalized in America. ∎  establish (a cultivated plant) in a natural situation: this species of crocus naturalizes itself very easily. ∎  [intr.] (of a cultivated plant) become established in a natural situation: these perennials should be planted where they can naturalize. 3. regard as or cause to appear natural: although women do more child care than men, feminists should beware of naturalizing that fact. ∎  explain (a phenomenon) in a naturalistic way. DERIVATIVES: nat·u·ral·i·za·tion / ˌnachərələˈzāshən/ n.

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