| 单词 | wall-saltpetre |
| 释义 | > as lemmaswall-saltpetre wall-saltpetre n. (see quot.). ΘΚΠ the world > the earth > minerals > types of mineral > nitrates > [noun] > calcium nitrate nitrocalcite1835 wall-saltpetre1911 1911 Encycl. Brit. XXIV. 94/2 Wall-saltpetre or lime saltpetre, calcium nitrate, Ca (NO2)2, is found as an efflorescence on the walls of stables; it is now manufactured in large quantities. < as lemmas |
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