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Tbilisi

(Encyclopedia)Tbilisi tĭfˈlĭs, Rus. tĭflyēsˈ [key], city (1989 pop. 1,259,682), capital of Georgia, SW Asia, on the Kura River and the Transcaucasian RR and at the southern end of the Georgian Military Road. ...

Saffir-Simpson scale

(Encyclopedia)Saffir-Simpson scale săfˈər– [key], standard scale for rating the severity of hurricanes as a measure of the damage they cause; it is based on observations of numerous North Atlantic Basin hurric...

Boko Haram

(Encyclopedia)Boko Haram [Western education is sinful], Nigerian Islamic fundamentalist militia, officially Jama'atu Ahlis Sunna Lidda'awati Wal-Jihad [people committed to the propagation of the Prophet's teaching...

Sakha Republic

(Encyclopedia)Sakha Republic yəko͞oˈshēə [key], constituent republic (1995 pop. 1,035,000), c.1,200,000 sq mi (3,108,000 sq km), NE Siberian Russia. Yakutsk is the capital. The Sakha Republic is bounded in the...

Mexico, city, Mexico

(Encyclopedia)Mexico or Mexico City, Span. Ciudad de México (Méjico), city (1990 pop. 8,236,960; 1991 met. area est. 20,899,000), central Mexico, capital and largest city of Mexico. The city has been the met...

Rocky Mountains

(Encyclopedia)Rocky Mountains, major mountain system of W North America and easternmost belt of the North American cordillera, extending more than 3,000 mi (4,800 km) from central N.Mex. to NW Alaska; Mt. Elbert (1...

Miocene epoch

(Encyclopedia)Miocene epoch mīˈəsēn [key], fourth epoch of the Tertiary period in the Cenozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from around 24.6 to 5.1 mill...

Caribbean Sea

(Encyclopedia)Caribbean Sea kârˌĭbēˈən, kərĭbˈēən [key], tropical sea, c.970,000 sq mi (2,512,950 sq km), arm of the Atlantic Ocean, Central America. It is bordered on the N and E by the West Indies arch...

Utah , state, United States

(Encyclopedia)CE5 Utah yo͞oˈtäˌ [key], Rocky Mt. state of the W United States. It is bordered by Idaho and Wyoming (N), Colorado (E), Arizona (S), and Nevada (W), and touches New Mexico in the SE, at the Fou...

dam

(Encyclopedia)dam, barrier, commonly across a watercourse, to hold back water, often forming a reservoir or lake; dams are also sometimes used to control or contain rockslides, mudflows, and the like in regions whe...