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单词 menilite
释义

menilite

/ˈmɛnɪlʌɪt/
Mineralogy
noun
An impure variety of opal of a dull greyish or brownish colour, occurring as round or flattened concretions; a nodule of this material.

Origin

Early 19th century. From French ménilite (H. B. de Saussure in J. C. de la Métherie Théorie de la Terre III. 461) from ménil- (in Ménilmontant (given by de Saussure as Mesnil-Montant), the name of a district of Paris where the stone is found) + -ite.

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更新时间:2024/12/23 18:45:08