| 单词 | saltpeter |
| 释义 | saltpeter /sawlt'pee"teuhr/, n. 1. the form of potassium nitrate, KNO3, that occurs naturally, used in the manufacture of fireworks, fluxes, gunpowder, etc.; niter. 2. See Chile saltpeter. Also, saltpetre. [1275-1325; earlier salt peter; r. ME sal peter, salpetre < ML salpetre, for L sal petrae salt of rock, so called because it commonly encrusts stones] |
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