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Odessa, city, United States

(Encyclopedia) OdessaOdessaōdĕsˈə [key], city (1990 pop. 89,699), seat of Ector co., W Tex.; founded 1881, inc. 1927. Great oil deposits just to the south changed Odessa from a small ranch town into…

Arabah

(Encyclopedia) Arabah or ArabaArababoth: äˈräbä, ărˈəbə [key], depression, on the Israel-Jordan border, extending c.100 mi (160 km) from the Dead Sea S to the Gulf of Aqaba; part of the Great Rift…

potassium carbonate

(Encyclopedia) potassium carbonate, chemical compound, K2CO3, white, crystalline, deliquescent substance that forms a strongly alkaline water solution. It is available commercially as a white,…

Nordhausen

(Encyclopedia) NordhausenNordhausennôrtˈhouˌzən [key], city (1994 pop. 44,744), Thuringia, central Germany, at the southern foot of the Harz Mts. It is an industrial center and rail junction.…

lye

(Encyclopedia) lye, name commonly used for a strongly alkaline solution. It originally meant a solution of potassium carbonate (potash) prepared by leaching wood ashes with water, but now the name…

Saskatoon

(Encyclopedia) SaskatoonSaskatoonsăskət&oomacr;nˈ [key], city (1991 pop. 186,058), S central Sask., Canada, on the South Saskatchewan River. The largest city in the province, it is the chief…

potassium

(Encyclopedia) potassiumpotassiumpətăsˈēəm [key], a metallic chemical element; symbol K [Lat. kalium=alkali]; at. no. 19; at. wt. 39.0983; m.p. 63.25℃; b.p. 760℃; sp. gr. .862 at 20℃; valence +1.…

potassium hydroxide

(Encyclopedia) potassium hydroxide, chemical compound with formula KOH. Pure potassium hydroxide forms white, deliquescent crystals. For commercial and laboratory use it is usually in the form of…

Mulhouse

(Encyclopedia) MulhouseMulhousemül&oomacr;zˈ [key], Ger. Mülhausen, city (1990 pop. 109,905), Haut-Rhin dept., E France, in Alsace, on the Ill River and the Rhône-Rhine canal. Cotton, wool, and…

fire clay

(Encyclopedia) fire clay, clay that has a high degree of resistance to heat. By the best standards it should have a fusion point higher than 1,600℃. The term “fire clay” is commonly held to exclude…