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单词 naphthenic acid
释义 naphthenic acid
noun
: any of numerous chiefly monocarboxylic acids derived from naphthenes and obtained from naphthene-base and asphalt-base petroleums; usually : a commercial viscous liquid mixture of such acids used especially in the form of salts (as copper naphthenate) as paint driers and preservatives for wood and textiles — see metallic soap
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