Entry 1 sense Webster, 1913 Aluminize /(ȧ*lū*mĭ*nīz)/ · A·lu·mi·nize · IPA /əlˈuːmənˌaɪz/ 01 v. t. To treat or impregnate with alum; to alum. 1. To treat or impregnate with alum; to alum.