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Abilene

(Encyclopedia)Abilene ăbˈĭlēn [key]. 1 City (2020 pop. 6,460), seat of Dickinson co., central Kans., on the Smoky Hill River; inc. 1869. It was (1867–71) a railhead for a large ca...

(Encyclopedia)Jilin kēˈrĭnˈ [key], province (2010 pop. 27,462,297), 72,000 sq mi (186,528 sq km), NE China; one of the original Manchurian provinces. The capital is Changchun. It is bordered by Heilongjiang pro...

Donets Basin

(Encyclopedia)Donets Basin dənbäsˈ [key], industrial region (c.10,000 sq mi/25,900 sq km), E Ukraine and SW European Russia, N of the Sea of Azov and W of the Donets River. It is located mainly in Donetsk and Lu...

Ebla

(Encyclopedia)Ebla ĕbˈlə, ēˈblə [key], an ancient city located in N Syria 34 mi (55 km) S of Aleppo. First excavated in 1964, the ruins of the city were discovered in 1973 by an Italian archaeological expedit...

Bactria

(Encyclopedia)Bactria băkˈtrēə [key], ancient Greek kingdom in central Asia. Its capital was Bactra, present-day Balkh in N Afghanistan. Before the Greek conquest, the region was an eastern province of the Pers...

pewter

(Encyclopedia)pewter, any of a number of ductile, silver-white alloys consisting principally of tin. The properties vary with the percentage of tin and the nature of the added materials. Lead, when added, imparts a...

Yerevan

(Encyclopedia)Yerevan yĕrĕvänˈ [key], Rus. Erivan, city (1989 pop. 1,201,539), capital of Armenia, on the Razdan River. A leading industrial, cultural, and scientific center, Yerevan is also a rail junction and...

ytterbium

(Encyclopedia)ytterbium ĭtûrˈbēəm [key] [for Ytterby, a town in Sweden], metallic chemical element; symbol Yb; at. no. 70; at. wt. 173.054; m.p. 819℃; b.p. about 1,194℃; sp. gr. about 7.0; valence +2 or +3...

bimetallism

(Encyclopedia)bimetallism bīmĕtˈəlĭzˌəm [key], in economic history, monetary system in which two commodities, usually gold and silver, were used as a standard and coined without limit at a ratio fixed by leg...

nickel

(Encyclopedia)nickel, metallic chemical element; symbol Ni; at. no. 28; at. wt. 58.6934; m.p. about 1,453℃; b.p. about 2,732℃; sp. gr. 8.902 at 25℃; valence 0, +1, +2, +3, or +4. Nickel is a hard, malleable, ...