Columbia Encyclopedia

Search results

144 results found

Umar

(Encyclopedia)Umar ōˈmär [key], c.581–644, 2d caliph (see caliphate). At first hostile to Islam, he was converted by 618, becoming an adviser to Muhammad. He succeeded Abu Bakr as caliph without opposition in ...

cuneiform

(Encyclopedia)CE5 Examples of the development of cuneiform cuneiform kyo͞onēˈĭfôrm [key] [Lat.,=wedge-shaped], system of writing developed before the last centuries of the 4th millennium b.c. in the lower ...

Ur

(Encyclopedia)Ur ûr [key], ancient city of Sumer, S Mesopotamia. The city is also known as Ur of the Chaldees. It was an important center of Sumerian culture (see Sumer) and is identified in the Bible as the home ...

Aurelian

(Encyclopedia)Aurelian (Lucius Domitius Aurelianus) ôrēˈlēən [key], c.212–275, Roman emperor (270–75). Rising in the ranks, he became consul under Valerian. He succeeded Claudius II, whose victory over the...

Dura, ancient city, Syria

(Encyclopedia)Dura yo͝orōˈpəs [key], ancient city of Syria, E of Palmyra on a plateau above the Euphrates River. It is also called Dura-Europos or Dura-Europus. Founded (c.300 b.c.) by a general of Seleucus I, ...

animal husbandry

(Encyclopedia)animal husbandry, aspect of agriculture concerned with the care and breeding of domestic animals such as cattle, goats, sheep, hogs, and horses. Domestication of wild animal species was a crucial achi...

Karmathians

(Encyclopedia)Karmathians or Carmathians kärmāˈthēənz [key], a Muslim sect of the 9th and 10th cent., similar to the Assassin sect. They were part of a movement for social reform that spread widely through Isl...

Shapur I

(Encyclopedia)Shapur I säˈpôr [key], d.272, king of Persia (241–72), son and successor of Ardashir I, of the Sassanid, or Sassanian, dynasty. He was an able warrior king. Although he was defeated by the Roman ...

cire perdue

(Encyclopedia)cire perdue sēr pĕrdüˈ [key] [Fr.,=lost wax], sculptural process of metal casting that may be used for hollow and solid casting. The sculptor makes a model in plaster or clay that is then coated w...

Gordian

(Encyclopedia)Gordian gôrˈdēən [key], name of three Roman emperors. Gordian I (Marcus Antonius Gordianus Africanus), d. 238, was a Roman of great wealth and was colleague in the consulship with Caracalla and wi...