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delta

(Encyclopedia)delta [from triangular shape of the Nile delta, like the Greek letter delta], a deposit of clay, silt, and sand formed at the mouth of a river where the stream loses velocity and drops part of its sed...

Kaifeng

(Encyclopedia)Kaifeng kī-fŭng [key], city (1994 est. pop. 535,300), NE Henan prov., China, on the Longhai RR. It is a commercial, agricultural, and industrial center. Manufactures include agricultural machinery, ...

Ordos

(Encyclopedia)Ordos ôrˈdōs [key], Mandarin Erdesi, sandy desert plateau region, c.35,000 sq mi (90,650 sq km), Inner Mongolian Autonomous Region, N China; almost encircled by the great northern bend of the Huang...

Qinhuangdao

(Encyclopedia)Qinhuangdao or Chinwangtao both: chĭnˈhwängˈdouˈ [key], city (1994 est. pop. 412,500), NE Hebei prov., China, on the Bohai, an arm of the Yellow Sea. It is an ice-free port that exports large qua...

Han, rivers, China

(Encyclopedia)Han. 1 River of S China, 210 mi (338 km) long, rising in W Fujian prov. and flowing S through Guangdong prov. to the South China Sea at Shantou; navigable for about 100 mi (160 km) upstream. The dense...

Jinan

(Encyclopedia)Jinan tsĭnˈänˈ [key], city (1994 est. pop. 1,659,900), capital of Shandong prov., E China. It lies 3 mi (4.8 km) S of the Huang He (Yellow River) and is a railroad junction on the network linking ...

Sui

(Encyclopedia)Sui swā [key], dynasty of China that ruled from 581 to 618. This short-lived dynasty reunified China in 589 after 400 years of division and laid the foundation for further consolidation under the T'a...

Lanzhou

(Encyclopedia)Lanzhou or Lanchow both: länˈjōˈ [key], city (1994 est. pop. 1,295,600), capital of Gansu prov., W China, on the Huang He (Yellow River) at its confluence with the Wei. It is a rail, highway, and ...

ecstasy

(Encyclopedia)ecstasy, either of two drugs used for their euphoric effects. The original ecstasy, a so-called designer drug, also known as MDMA, is an analog of methamphetamine (see amphetamine). The other drug is ...

ephedrine

(Encyclopedia)ephedrine ĭfĕdˈrĭn, ĕfˈĭdrēnˌ [key], drug derived from plants of the genus Ephedra (see Pinophyta), most commonly used to prevent mild or moderate attacks of bronchial asthma. Unlike epinephr...