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Superior

(Encyclopedia)Superior, city (1990 pop. 27,134), seat of Douglas co., NW Wis., on Superior Bay of Lake Superior, at the mouths of the St. Louis and the Nemadji rivers; inc. 1883. It is a port of entry with many rai...

xylophone

(Encyclopedia)CE5 Xylophone xylophone zīˈləfōn [key] [Gr.,=wood sound], musical instrument having graduated wooden slabs that are struck by the player with small, hard mallets. The slabs are usually arrange...

watershed

(Encyclopedia)watershed, elevation or divide separating the catchment area, or drainage basin, of one river system or group of river systems from another system or group of systems. The term is also often used syno...

White Mountains

(Encyclopedia)White Mountains, part of the Appalachian system, N N.H. and SW Maine, rising to 6,288 ft (1,917 m) at Mt. Washington in the Presidential Range and to 5,249 ft (1,600 m) at Mt. Lafayette in the Francon...

Comanche

(Encyclopedia)Comanche kəmănˈchē [key], Native North Americans belonging to the Shoshonean group of the Uto-Aztecan branch of the Aztec-Tanoan linguistic stock (see Native American languages). They originated f...

ultrasonics

(Encyclopedia)ultrasonics, study and application of the energy of sound waves vibrating at frequencies greater than 20,000 cycles per second, i.e., beyond the range of human hearing. The application of sound energy...

polecat

(Encyclopedia)polecat, carnivorous mammal of the weasel family. The name refers especially to the common Old World polecat, Mustela putorius, found in wooded areas of N Eurasia and N Africa. Similar to weasels, but...

hemlock

(Encyclopedia)hemlock, any tree of the genus Tsuga, coniferous evergreens of the family Pinaceae (pine family) native to North America and Asia. The common hemlock of E North America is the eastern hemlock, T. cana...

Oregon, state, United States

(Encyclopedia)CE5 Oregon ŏrˈĭgən, –gŏn [key], state in the Pacific Northwest of the United States. It is bordered by Washington, largely across the Columbia River (N), Idaho, partially across the Snake Ri...

Lenin Peak

(Encyclopedia)Lenin Peak or Ibn Sina Peak, formerly Kaufmann Peak koufˈmən [key], 23,405 ft (7,134 m) high, on the border of Tajikistan and Kyrgyzstan. Also known as Kuh-i-Gamo [warm mountain], it is the highest ...