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Ch'in, dynasty of China (221–206 b.c.)

(Encyclopedia)Ch'in chĭn [key], dynasty of China, which ruled from 221 b.c. to 206 b.c. The word China is derived from Ch'in, the first dynasty to unify the country by conquering the warring feudal states of the l...

long-wall mining

(Encyclopedia)long-wall mining: see coal mining. ...

wall-attachment effect

(Encyclopedia)wall-attachment effect: see Coanda effect. ...

china clay

(Encyclopedia)china clay, one of the purest of the clays, composed chiefly of the mineral kaolinite usually formed when granite is changed by hydrothermal metamorphism. Usage of the terms china clay and kaolin is n...

bone china

(Encyclopedia)bone china, variety of porcelain developed by English potters in the last half of the 18th and early 19th cent. The clay is tempered with phosphate of lime or bone ash. This innovation greatly increas...

Khingan, Great

(Encyclopedia)Khingan, Great, mountain range, China: see Hinggan Ling, Da. ...

china marks

(Encyclopedia)china marks, potter's trademark or signature, incised in the plastic clay before firing or printed before glazing on the bottom of the piece to identify it as his product. The practice was adopted by ...

Great Dane

(Encyclopedia)Great Dane, breed of very large, powerful working dog developed in Europe more than 400 years ago. It may stand as high as 36 in. (91.4 cm) at the shoulder and weigh up to 150 lb (68.1 kg). Its short,...

Nen, river, China

(Encyclopedia)Nen nônˈnē [key], river, 740 mi (1,191 km) long, rising in the Yilehuli (Ilkuri) Mts., N Heilongjiang prov., NE China, and flowing south along the east side of the Da Hinggan (Great Khingan) range ...

China grass

(Encyclopedia)China grass: see nettle.