English-Thai Dictionary
saltpeter
N ดินประสิว สาร โป แทสเซี่ ยม ไน เตรท saltpetre din-pra-sil
Webster's 1828 Dictionary
SALTPETER, SALTPETRE
n.[salt and Gr. stone. ] A neutral salt formed by the nitric acid in combination with potash, and hence denominated nitrate of potash. It is found native in the East Indies, in Spain, in Naples and other places. It is also found on walls sheltered from rain, and it is extracted by lixiviation from the earths under cellars, stables and barns, etc.
Webster's 1913 Dictionary
SALTPETER; SALTPETRE
Salt `pe "ter, Salt `pe "tre, (, n. Etym: [F. salpêtre, NL. sal petrae,literally, rock salt, or stone salt; Salt, and Petrify. ] (Chem. )
Defn: Potassium nitrate; niter, a white crystalline substance, KNO3, having a cooling saline taste, obtained by leaching from certain soils in which it is produced by the process of nitrification (see Nitrification, 2 ). It is a strong oxidizer, is the chief constituent of gunpowder, and is also used as an antiseptic in curing meat, and in medicine as a diuretic, diaphoretic, and refrigerant. Chili salpeter (Chem. ), sodium nitrate (distinguished from potassium nitrate, or true salpeter ), a white crystalline substance, NaNO3,having a cooling, saline, slightly bitter taste. It is obtained by leaching the soil of the rainless districts of Chili and Peru. It is deliquescent and cannot be used in gunpowder, but is employed in the production of nitric acid. Called also cubic niter. -- Saltpeter acid (Chem. ), nitric acid; -- sometimes so called because made from saltpeter.
New American Oxford Dictionary
saltpeter
salt pe ter |sôltˈpētər ˈsɔltpidər |(Brit. saltpetre ) ▶noun another term for potassium nitrate. ORIGIN late Middle English: from Old French salpetre, from medieval Latin salpetra, probably representing sal petrae ‘salt of rock ’ (i.e., found as an encrustation ). The change in the first element was due to association with salt .
Sanseido Wisdom Dictionary
saltpeter
salt pe ter ｟英 ｠-tre /sɔ̀ːltpíːtə r /名詞 U 硝石 〘火薬 肥料用 〙; チリ硝石 .
The Wordsmith Dictionary