单词 | saponite |
释义 | saponite /sap"euh nuyt'/, n. a clay mineral, hydrous magnesium aluminum silicate, belonging to the montmorillonite group: found as a soft filling in rock cavities. [1840-50; < Sw saponit < L sapon- (s. of sapo) SOAP + Sw -it -ITE1] |
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