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| ni·gres·cence [ nī gréss'nss ] |
noun |
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| Definition: |
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becoming black: the process of becoming black or dark
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| [Mid-19th century. < Latin nigrescent-, present participle of nigrescere "grow black" < niger "black"] |
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 ni·gres·cent adjective |
| ni·gres·cent·ly adverb |
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