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Wrangell–Saint Elias National Park and Preserve

(Encyclopedia)Wrangell–Saint Elias National Park and Preserve, at the convergence of the Chugach, Wrangell, and St. Elias mts., SW Alaska. The park (8,323,618 acres/3,369,856 hectares) contains Mt. Saint Elias (1...

bromide

(Encyclopedia)bromide, any of a group of compounds that contain bromine and a more electropositive element or radical. Bromides are formed by the reaction of bromine or a bromide with another substance; they are wi...

gold

(Encyclopedia)gold, metallic chemical element; symbol Au [Lat. aurum=shining dawn]; at. no. 79; at. wt. 196.96657; m.p. 1,064.43℃; b.p. 2,808℃; sp. gr. 19.32 at 20℃; valence +1 or +3. Gold is very ductile and...

Arica

(Encyclopedia)Arica ärēˈkä [key], city, N Chile, on the Pacific Ocean, just south of the Peruvian border and at the northern limit of the Atacama Desert. Peru ceded Arica to C...

Kunming

(Encyclopedia)Kunming ko͞onˈmĭngˈ [key], city (1994 est. pop. 1,240,000), capital of Yunnan prov., S China, on the northern shore of Dian Chi Lake. It is a major administrative, commercial, and cultural center ...

mordant

(Encyclopedia)mordant môrˈdənt [key] [Fr.,=biting], substance used in dyeing to fix certain dyes (mordant dyes) in cloth. Either the mordant (if it is colloidal) or a colloid produced by the mordant adheres to t...

hoe

(Encyclopedia)hoe, usually a flat blade, variously shaped, set in a long wooden handle and used primarily for weeding and for loosening the soil. It was the first distinctly agricultural implement. The earliest hoe...

Great Falls

(Encyclopedia)Great Falls, city (2020 pop. 60,442), seat of Cascade co., N central Mont., second largest city in the state, at the confluence of the Missouri and Sun ...

Antofagasta

(Encyclopedia)Antofagasta äntōfägäˈstä [key], city, capital of Antofagasta region, N Chile, a port on the Pacific Ocean. Antofagasta was founded by Chileans in 1870 to exploit nit...

copperhead

(Encyclopedia)copperhead, poisonous snake, Ancistrodon contortrix, of the E United States. Like its close relative, the water moccasin, the copperhead is a member of the pit viper family and detects its warm-bloode...