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Polk, Leonidas

(Encyclopedia)Polk, Leonidas, 1806–64, American Episcopal bishop and Confederate general in the Civil War, b. Raleigh, N.C. He left the army to study for the ministry and was ordained in 1831. He served as missio...

earth, in chemistry

(Encyclopedia)earth, in chemistry, metallic oxide not readily reducible by chemical means, e.g., alkaline earths, rare earths, and alumina. The name is also applied to certain absorbent clays, e.g., fuller's earth,...

dragon

(Encyclopedia)dragon, mythical beast usually represented as a huge, winged, fire-breathing reptile. For centuries the dragon has been prominent in the folklore of many peoples; thus, its physical characteristics va...

Donnelly, Ignatius

(Encyclopedia)Donnelly, Ignatius dŏnˈəlē [key], 1831–1901, American author and agrarian reformer, b. Philadelphia. He studied law, was admitted to the bar, and in 1856 moved to Minnesota. There he gained poli...

Cortázar, Julio

(Encyclopedia)Cortázar, Julio ho͞oˈlyō kōrtäˈzär [key], 1914–84, Argentine novelist, poet, essayist, and short-story writer, b. Brussels. Moving permanently to France in 1951, Cortázar gradually gained r...

Constantine IV, Byzantine emperor

(Encyclopedia)Constantine IV, c.652–685, Byzantine emperor (668–85), son and successor of Constans II. He defended Constantinople against the annual naval attacks of the Muslims, who finally withdrew in 678; Gr...

Empedocles

(Encyclopedia)Empedocles ĕmpĕdˈəklēz [key], c.495–c.435 b.c., Greek philosopher, b. Acragas (present Agrigento), Sicily. Leader of the democratic faction in his native city, he was offered the crown, which h...

Inouye, Kaoru

(Encyclopedia)Inouye, Kaoru ĭinˈəwāˌ, ĭnōˈwā [key], 1835–1915, Japanese statesman. He was a leader of the antiforeign movement in his native Choshu fief, and helped set fire to the British legation in E...

Hephaestus

(Encyclopedia)Hephaestus hĕfĕsˈtəs [key], in Greek religion and mythology, Olympian god. According to Homer he was the son of Hera and Zeus, but Hesiod states that he was conceived and borne by Hera alone. Orig...

Hooke, Robert

(Encyclopedia)Hooke, Robert ho͝ok [key], 1635–1703, English physicist, mathematician, and inventor. He became curator of experiments for the Royal Society (1662), professor of geometry at Gresham College (1665),...