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Nicaragua Canal

(Encyclopedia)Nicaragua Canal, proposed waterway between the Atlantic and the Pacific oceans. One often considered route would be 172.8 mi (278 km) long and would generally follow the San Juan River, then go throug...

Vancouver Island

(Encyclopedia)Vancouver Island (1991 pop. 579,921), 12,408 sq mi (32,137 sq km), SW British Columbia, Canada, in the Pacific Ocean; largest island off W North America. It is c.285 mi (460 km) long and c.30 to 80 mi...

Mesozoic era

(Encyclopedia)Mesozoic era mĕzˌəzōˈĭk [key] [Gr.,=middle life], major division of geologic time (see Geologic Timescale, tablegeologic timescale, table) from 65 to 225 million years ago. Great crustal disturb...

Mauna Kea

(Encyclopedia)Mauna Kea mouˈnə kāˈə [key], dormant volcano, 13,796 ft (4,205 m) high, in the south central part of the island of Hawaii. It is the loftiest peak in the Hawaiian Islands and the highest island m...

Aleutian Range

(Encyclopedia)Aleutian Range, volcanic mountain chain, c.1,600 mi (2,600 km) long, SW Alaska, extending W from Anchorage along the Alaska Peninsula, and continuing, partly submerged as the Aleutian Islands, to Attu...

Tarawa

(Encyclopedia)Tarawa təräˈwə, tărˈəwä [key], atoll (1990 pop. 28,802), capital of Kiribati, central Pacific, previously capital of the former British colony of the Gilbert and Ellice Islands. The administra...

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...

Michoacán

(Encyclopedia)Michoacán mēchōäkänˈ [key], state (1990 pop. 3,548,199), 23,202 sq mi (60,093 sq km), S Mexico. Morelia is the capital. Dominated by the mountains of the Sierra Madre Occidental and the volcanic...

Lewis, Meriwether

(Encyclopedia)Lewis, Meriwether, 1774–1809, American explorer, one of the leaders of the Lewis and Clark expedition, b. near Charlottesville, Va. He was a captain in the army and served in a number of campaigns a...

tang, in zoology

(Encyclopedia)tang, common name for certain members of the Acanthuridae, a family of mostly small, mainly reef-dwelling tropical fishes with compressed bodies and small mouths and teeth. Other members of the family...