Definisi dalam bahasa Inggris
improver
//I/m'pr/u/v/@/r /noun (n)
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someone devoted to the promotion of human welfare and to social reforms (noun.person)
Sinonim: do-gooder, humanitarian
Sumber: wordnet30
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a component that is added to something to improve it (noun.artifact)
Sumber: wordnet30
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One who, or that which, improves. (noun)
Sumber: webster1913