-ize(redirected from -iser)
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suffix to form verbs from adjectives and nouns. Verbs mean "to make, become, engage in, or use, or to treat or combine with": oxidize, anesthetize.
-ize[Fr. -iser, fr L. -izare, fr Gr. i-izein]
Suffix for forming verbs from adjectives or nouns, e.g., sterilize from the adjective sterile or terrorize from the noun terror.