noun Etymology: Middle English salt petre, alteration of salpetre, from Medieval Latin sal petrae, literally, salt of the rock Date: 14th century 1. potassium nitrate 2. sodium nitrate

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Saltpeter — Salt pe ter, Saltpetre Salt pe tre,, n. [F. salp[^e]tre, NL. sal petrae, literally, rock salt, or stone salt; so called because it exudes from rocks or walls. See {Salt}, and {Petrify}.] (Chem.) Potassium nitrate; niter; a white crystalline… …   The Collaborative International Dictionary of English

  • Saltpeter — or saltpetre may refer to:* Potassium nitrate, the critical oxidizing component of gun powder * Sodium nitrate ( Chile saltpetre ), an ingredient in fertilizers, explosives and solid rocket propellants * The Saltpeter War (1879 1884) between… …   Wikipedia

  • saltpeter — [sôlt′pēt΄ər, sôlt΄pēt′ər] n. [altered (infl. by SALT) < ME salpetre < MFr < ML sal petrae, salt of rock < L sal, SALT + petra, rock] POTASSIUM NITRATE: see CHILE SALTPETER: Brit. sp. Brit. saltpetre …   English World dictionary

  • saltpeter — potassium nitrate, c.1500, earlier salpetre (early 14c.), from O.Fr. salpetre, from M.L. sal petrae salt of rock, from L. sal salt (see SALT (Cf. salt)) + petra rock, stone. So called because it looks like salt encrusted on rock …   Etymology dictionary

  • saltpeter — kalio nitratas statusas T sritis chemija formulė KNO₃ atitikmenys: angl. Indian Saltpeter, US; Indian saltpetre, GB; nitre; potassium nitrate; saltpeter, US; saltpeter; saltpetre, GB rus. индийская селитра; калиевая селитра; калий азотнокислый;… …   Chemijos terminų aiškinamasis žodynas

  • 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,… …   Universalium

  • saltpeter — SYN: potassium nitrate. Chilean s. SYN: sodium nitrate. * * * salt·pe·ter or chiefly Brit salt·pe·tre sȯlt pēt ər n 1) POTASSIUM NITRATE 2) SODIUM NITRATE …   Medical dictionary

  • saltpeter —    See niter …   Lexicon of Cave and Karst Terminology

  • saltpeter — salt|pe|ter [ ,sɔlt pitər ] noun uncount a substance used in making matches and FIREWORKS …   Usage of the words and phrases in modern English

  • saltpeter — potassium nitrate …   Eponyms, nicknames, and geographical games

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