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Menzel, Donald Howard

(Encyclopedia) Menzel, Donald Howard, 1901–76, American astrophysicist, b. Florence, Colo. From 1926 to 1932 he was with the Lick Observatory in Calif. In 1932 he joined the faculty at Harvard, where…

Bol, Ferdinand

(Encyclopedia) Bol, FerdinandBol, Ferdinandfĕrˈdĭnänt bôl [key], 1616–80, Dutch painter. He studied with Rembrandt in Amsterdam, and his early work (e.g., Elizabeth Bas, Amsterdam) has sometimes been…

Jupiter, in Roman religion and mythology

(Encyclopedia) Jupiter, in Roman religion and mythology, the supreme god, also called Jove. Originally a sky deity associated with rain and agriculture, he developed into the great father god, prime…

Interpol

(Encyclopedia) Interpol, acronym for the International Criminal Police Organization, a worldwide clearinghouse for police information. Conceived in 1914, Interpol was formally established in 1923…

Miantonomo

(Encyclopedia) MiantonomoMiantonomomēănˌtənōˈmō, mīănˌ– [key], d. 1643, chief of the Narragansett; nephew of another chief, Canonicus. In 1637 he aided the English colonists in the Pequot War. The…

agronomy

(Encyclopedia) agronomyagronomyəgrŏnˈəmē [key], branch of agriculture dealing with various physical and biological factors—including soil management, tillage, crop rotation, breeding, weed control,…

Uncas

(Encyclopedia) UncasUncasŭngˈkəs [key], c.1588–c.1683, chief of the Mohegan. Uncas was a subchief of the Pequot, but because of trouble with the chief, Sassacus, he withdrew with his followers and…

white lead

(Encyclopedia) white lead, heavy, white substance, poisonous, insoluble in water, extensively used as a white pigment and base in paints. It is one of the oldest paint pigments used by humans.…

ruthenium

(Encyclopedia) rutheniumrutheniumr&oomacr;thēˈnēəm [key], metallic chemical element; symbol Ru; at. no. 44; at. wt. 101.07; m.p. about 2,310℃; b.p. about 3,900℃; sp. gr. 12.41 at 20℃; valence…

oxide

(Encyclopedia) oxide, chemical compound containing oxygen and one other chemical element. Oxides are widely and abundantly distributed in nature. Water is the oxide of hydrogen. Silicon dioxide is…