Columbia Encyclopedia

(Encyclopedia) Pawnee pônēˈ [key], Native North Americans whose language belongs to the Caddoan branch of the Hokan-Siouan linguistic stock (see Native American languages). At one time the Pawnee lived in what is...

(Encyclopedia) armadillo ärˌmədĭlˈō [key], New World armored mammal of the order Edentata, a group that also includes the sloth and the anteater, characterized by peglike teeth without roots or enamel. Armadil...

(Encyclopedia) Olmsted, Frederick Law, 1822–1903, American landscape architect and writer, b. Hartford, Conn. Although his Walks and Talks of an American Farmer in England had appeared in 1852, Olmsted first attai...

(Encyclopedia) Phillips, Wendell, 1811–84, American reformer and orator, b. Boston, grad. Harvard (B.A., 1831; LL.B., 1834). He was admitted to the bar in 1834 but, having sufficient income of his own, he abandone...

(Encyclopedia) Southern Pacific Company, transportation system chartered (1865) in California and later reincorporated in Kentucky (1885) and Delaware (1947). Small railroads—known collectively as the Southern Pac...

(Encyclopedia) oil industry, the business of discovering oil (petroleum), extracting it from the ground, refining it into a variety of products, and distributing it to the public. The development of the oil industry...

(Encyclopedia)  CE5 Red iris, Iris fulva iris, common name for members of the genus Iris of the Iridaceae, a family of perennial herbs that includes the crocuses, freesias, and gladioli. The family is characteriz...

(Encyclopedia) nonlinear dynamics, study of systems governed by equations in which a small change in one variable can induce a large systematic change; the discipline is more popularly known as chaos (see chaos theo...

(Encyclopedia) Delaware dĕlˈəwâr, –wər [key], English name given several closely related Native American groups of the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American langua...

(Encyclopedia) Bush, George Herbert Walker, 1924–2018, 41st President of the United States (1989–93), b. Milton, Mass., B.A., Yale Univ., 1948. Bush's handling of domestic affairs was less successful. The savi...