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nitrocalcite 鈣硝石 鈣硝石 nitrocalcite n 1: the mineral form of calcium nitrate Nitrocalcite \Ni`tro*cal"cite\, n. [Nitro- calcite.] (Min.)
Nitrate of calcium, a substance having a grayish white color, occuring in efflorescences on old walls, and in limestone caves, especially where there exists decaying animal matter. [1913 Webster]
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