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Burgos

(Encyclopedia)Burgos bo͞orˈgōs [key], city, capital of Burgos prov., N Spain, in Castile and Léon, on a...

X Prize Foundation

(Encyclopedia)X Prize Foundation, private, nonprofit prize institute est. 1995 by commercial space entrepreneur Peter Diamandis. Based in Santa Monica, Calif., and funded by foundations and private individuals and ...

nitrate

(Encyclopedia)nitrate, chemical compound containing the nitrate (NO3) radical. Nitrates are salts or esters of nitric acid, HNO3, formed by replacing the hydrogen with a metal (e.g., sodium or potassium) or a radic...

Barcelona

(Encyclopedia)Barcelona bärˌsəlōˈnə, Catalan bärˌsəlōˈnə, Span. bärˌthālōˈn...

Comonfort, Ignacio

(Encyclopedia)Comonfort, Ignacio ēgnäˈsyō kōmōnfôrtˈ [key], 1812–63, Mexican general and president (1855–58). He was one of the leaders in the Revolution of Ayutla, which in 1855 overthrew Santa Anna an...

Diebenkorn, Richard

(Encyclopedia)Diebenkorn, Richard, 1922–93, American painter, b. Portland, Oreg. Raised in California, he studied at Stanford and at a collector's home encountered (1943) the work of Matisse, whose bold use of co...

Hollywood

(Encyclopedia)Hollywood. 1 Community (2020 population 35,757) within the city of Los Angeles, S Calif., on the slopes of the Santa Monica Mts.; inc. 1903, ...

Mobile, city, United States

(Encyclopedia)Mobile mōbēlˈ, mōˈbēlˌ [key], city (1990 pop. 196,278), seat of Mobile co., SW Ala., at the head of Mobile Bay and at the mouth of the Mobile River; inc. 1814. Lying on one of the continent's g...

cloud chamber

(Encyclopedia)cloud chamber, device used to detect elementary particles and other ionizing radiation. A cloud chamber consists essentially of a closed container filled with a supersaturated vapor, e.g., water in ai...

Great Smoky Mountains

(Encyclopedia)Great Smoky Mountains, part of the Appalachian system, on the N.C.–Tenn. border; highest range E of the Mississippi and one of the oldest uplands on earth. The mountains are named for the smokelike ...