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Geronimo

(Encyclopedia)Geronimo jərŏnˈəmōˌ [key], c.1829–1909, leader of a Chiricahua group of the Apaches, b. Arizona. From his youth he participated in the forays of Cochise, Victorio, and other Apache leaders. Wh...

garnet

(Encyclopedia)garnet, name applied to a group of isomorphic minerals crystallizing in the cubic system. They are used chiefly as gems and as abrasives (as in garnet paper). The garnets are double silicates; one of ...

Tohono O'Odham

(Encyclopedia)Tohono O'Odham păpˈəgōˌ, päˈ– [key], Native North Americans speaking a language that belongs to the Uto-Aztecan branch of the Aztec-Tanoan linguistic stock (see Native American languages) and...

La Farge, Oliver

(Encyclopedia)La Farge, Oliver lä färzh [key], 1901–63, American writer and anthropologist, b. New York City, grad. Harvard (B.A., 1924; M.A., 1929). He conducted three archaeological expeditions to Arizona and...

geodesic dome

(Encyclopedia)CE5 Geodesic dome geodesic dome jēˌədĕsˈĭk, –dēˈsĭk [key], structure that roughly approximates a hemisphere. Popular in recent years as economical, easily erected buildings, geodesic do...

Gadsden Purchase

(Encyclopedia)Gadsden Purchase gădzˈdən [key], strip of land purchased (1853) by the United States from Mexico. The Treaty of Guadalupe Hidalgo (1848) had described the U.S.-Mexico boundary vaguely, and Presiden...

Gault, in re

(Encyclopedia)Gault, in re ĭn rā gôlt [key], case decided in 1967 by the U.S. Supreme Court. Fifteen-year-old Gerald Gault had been found a delinquent by an Arizona juvenile court and sentenced to the state indu...

Espejo, Antonio de

(Encyclopedia)Espejo, Antonio de äntōˈnyō ᵺā āspāˈhō [key], fl. 1582–83, Spanish explorer. In 1582 he was sent out from San Bartolomé, Mexico, to rescue missionaries said to be menaced by the Pueblo p...

Prescott, Edward Christian

(Encyclopedia)Prescott, Edward Christian, 1940–, American economist, b. Glen Falls, N.Y., Ph.D. Carnegie Mellon Univ., 1967. Prescott has taught at Carnegie Mellon (1971–80), the Univ. of Minnesota (1980–98, ...

turquoise

(Encyclopedia)turquoise, hydrous phosphate of aluminum and copper, Al2(OH)3PO4·H2O+Cu, used as a gem. It occurs rarely in crystal form, but is usually cryptocrystalline. Turquoise is opaque and has a waxy luster; ...