verb transitive, verb intransitiveWord forms: ˈmelioˌrated or ˈmelioˌrating
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
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Word origin of 'meliorate'< LL melioratus, pp. of meliorare, to make better < L melior, better < IE base *mel-, strong, big > Gr mala, very