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Spahis

(Encyclopedia) Spahis or SipahisSpahisspäˈhē [key], Ottoman cavalry. The Spahis were organized in the 14th cent. on a feudal basis. The officers held fiefs (timars) granted to them by the sultan and…

Golan Heights

(Encyclopedia) Golan Heights, strategic upland region (2003 est. pop. 10,500), c.500 sq mi (1,250 sq km), SW Syria. It borders S Lebanon, NE Israel, and NW Jordan. It takes its name from the ancient…

Coriolis effect

(Encyclopedia) Coriolis effectCoriolis effectkôrˌē-ōˈlĭs [key] [for G.-G. de Coriolis, a French mathematician], tendency for any moving body on or above the earth's surface, e.g., an ocean current or…

catapult

(Encyclopedia) catapultcatapultkătˈəpŭltˌ [key], mechanism used to throw missiles in ancient and medieval warfare. At first, catapults were specifically designed to shoot spears or other missiles at…

Reston, James Barrett

(Encyclopedia) Reston, James Barrett (Scotty Reston), 1909–95, American journalist, b. Clydebank, Scotland. His family emigrated to the United States in 1920. After working briefly for the…

searchlight

(Encyclopedia) searchlight, device, usually swiveled, using a lens and reflecting surface to direct a powerful beam of light of nearly parallel rays. In 1892 such apparatus was used along the English…

Selim I

(Encyclopedia) Selim I (Selim the Grim)Selim Isĕlĭmˈ [key], 1467–1520, Ottoman sultan (1512–20). He ascended the throne of the Ottoman Empire by forcing the abdication of his father, Beyazid II, and…

Decembrists

(Encyclopedia) DecembristsDecembristsdĭsĕmˈbrĭsts [key], in Russian history, members of secret revolutionary societies whose activities led to the uprising of Dec., 1825, against Czar Nicholas I.…

ballistics

(Encyclopedia) ballisticsballisticsbəlĭsˈtĭks [key], science of projectiles. Interior ballistics deals with the propulsion and the motion of a projectile within a gun or firing device. Its problems…