Peru saltpetre

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• Saltpetre — 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… …   The Collaborative International Dictionary of English

• Agricultural history of Peru — Much of the pre history of Peru has been wrapped up in where the farmable land was located. The most populated coastal regions of Peru are the two parallel mountain ranges and the series of 20 to 30 rivers running through the coastal desert. In… …   Wikipedia

• chile — /chil ee/, n. chili. * * * Chile Introduction Chile Background: A three year old Marxist government was overthrown in 1973 by a dictatorial military regime led by Augusto PINOCHET, who ruled until a freely elected president was installed in 1990 …   Universalium

• Chile — Chilean, adj., n. /chil ee/; Sp. /chee le/, n. a republic in SW South America, on the Pacific Coast. 14,508,168; 286,396 sq. mi. (741,765 sq. km). Cap.: Santiago. * * * Chile Introduction Chile Background: A three year old Marxist government was… …   Universalium

• Bolivia — Bolivian, adj., n. /beuh liv ee euh, boh /; Sp. /baw lee vyah/, n. 1. a republic in W South America. 7,669,868; 404,388 sq. mi. (1,047,370 sq. km). Caps.: La Paz and Sucre. 2. (often l.c.) a twill fabric made of cut pile with lines either in the… …   Universalium

• Atacama Desert — Atacama redirects here. For other uses, see Atacama (disambiguation). Coordinates: 24°30′S 69°15′W / 24.5°S 69.25°W / 24.5; 69.25 …   Wikipedia

• 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

• oxyacid — /ok see as id/, n. Chem. an inorganic acid containing oxygen. Also called oxygen acid. [1830 40; OXY 2 + ACID] * * * ▪ chemical compound Introduction       any oxygen containing acid. Most covalent nonmetallic oxides (oxide) react with water to… …   Universalium

• sodium — /soh dee euhm/, n. 1. Chem. a soft, silver white, metallic element that oxidizes rapidly in moist air, occurring in nature only in the combined state, and used in the synthesis of sodium peroxide, sodium cyanide, and tetraethyllead: a necessary… …   Universalium

• nitrogen group element — ▪ chemical elements Introduction  any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… …   Universalium

• Tarapacá — • Situated in Chile, bounded on the north by the canon of the Camarones and on the south by the Loa River Catholic Encyclopedia. Kevin Knight. 2006. Tarapaca     Tarapacá      …   Catholic encyclopedia