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Chi'an

(Encyclopedia)Chi'an: see Ji'an, China.

Chang'an

(Encyclopedia)Chang'an: Xi'an.

Chao'an

(Encyclopedia)Chao'an, Ch'ao-an, or Chaochow, China: see Chaozhou. ...

Qur'an

(Encyclopedia)Qur'an or Koran kōrănˈ, –ränˈ [key] [Arab.,=reading, recitation], the sacred book of Islam. Revealed by God to the Prophet Muhammad in separate revelations over the major portion of the Prophet...

Xi'an

(Encyclopedia)Xi'an shēˈänˈ, sēˈ– [key], city (1994 est. pop. 2,114,900), capital of Shaanxi prov., China, in the Wei River valley. Situated on the Longhai RR, China's principal east-west line, it is an imp...

Ya'an

(Encyclopedia)Ya'an yä-än [key], city (1994 est. pop. 110,000), SW Sichuan prov., China, on a tributary of the Min River. It is a tea center for W Sichuan and a highway hub for the E Tibetan plateau. From 1950 to...

Yan'an

(Encyclopedia)Yan'an or Yenan both: yĕn-än [key], city (1991 pop. 115,900), N Shaanxi prov., China, on the Yen River. Now a market and tourist center, it is famed as the terminus of the long march and the de fact...

anthracene

(Encyclopedia)CE5 anthracene ănˈthrəsēn [key], C14H10, solid organic compound derived from coal tar. It melts at 218℃ and boils at 354℃. When pure it is colorless and has a violet fluorescence; it darken...

Wöhler, Friedrich

(Encyclopedia)Wöhler, Friedrich frēˈdrĭkh vöˈlər [key], 1800–1882, German chemist. He studied under the German chemist Leopold Gmelin and J. J. Berzelius, a Swedish chemist, and in 1836 was appointed profe...

anhydride

(Encyclopedia)anhydride ănhīˈdrīd, –drĭd [key] [Gr.,=without water], chemical compound formed by removing water, H2O, from another compound; the anhydride can also react with water to form the original compo...