Columbia Encyclopedia

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pigeon

(Encyclopedia)pigeon, common name for members of the large family Columbidae, land birds, cosmopolitan in temperate and tropical regions, characterized by stout bodies, short necks, small heads, and thick, heavy pl...

Bacon, Francis, English philosopher and statesman

(Encyclopedia)Bacon, Francis, 1561–1626, English philosopher, essayist, and statesman, b. London, educated at Trinity College, Cambridge, and at Gray's Inn. He was the son of Sir Nicholas Bacon, lord keeper to Qu...

Fuller, Margaret

(Encyclopedia)Fuller, Margaret, 1810–50, American writer, lecturer, and public intellectual, b. Cambridgeport (now part of Cambridge), Mass. She was one of the most influential personalities in the American liter...

Jones, John Paul

(Encyclopedia)Jones, John Paul, 1747–92, American naval hero, b. near Kirkcudbright, Scotland. His name was originally simply John Paul. After the Revolution Jones was sent to Europe to collect the prize mone...

chromium

(Encyclopedia)chromium krōˈmēəm [key] [Gr.,=color], metallic chemical element; symbol Cr; at. no. 24; at. wt. 51.9961; m.p. about 1,857℃; b.p. 2,672℃; sp. gr. about 7.2 at 20℃; valence +2, +3, +6. Chromiu...

White House

(Encyclopedia)White House, official name of the executive mansion of the President of the United States. It is on the south side of Pennsylvania Ave., Washington, D.C., facing Lafayette Square. The building, constr...

boron

(Encyclopedia)boron bōrˈŏn [key] [New Gr. from borax], chemical element; symbol B; at. no. 5; interval in which at. wt. ranges 10.806–10.821; m.p. about 2,300℃; sublimation point about 2,550℃; sp. gr. 2.3 ...

Baltimore

(Encyclopedia)Baltimore, city (2020 pop. 575,584), N central Md., surrounded by but politically independent of Baltimore co., on the Patapsco River estuary, an arm of...

Corman, Roger William

(Encyclopedia) Corman, Roger William, 1926-, American film director, screenwriter, and producer, b. Detroit, Mi., Stanford Univ. (B.S., 1947). Corman studied industr...

gorilla

(Encyclopedia)gorilla, an ape, genus Gorilla, native to the lowland and mountain forests of western and central equatorial Africa. The two gorilla species are the western, comprising the western lowland (G. gorilla...