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Mariana Trench

(Encyclopedia)Mariana Trench or Marianas Trench, mârˌēănˈəz [key], elongated depression on the Pacific Ocean floor, 210 mi (338 km) SW of Guam. It is the deepest known depression on the earth's surface, havin...

Aleut

(Encyclopedia)Aleut əlo͞otˈ, ălˈēo͞otˌ [key], native inhabitant of the Aleutian Islands and W Alaska. Like the Eskimo, the Aleuts are racially similar to Siberian peoples. Their language is a member of the ...

drift

(Encyclopedia)drift, deposit of mixed clay, gravel, sand, and boulders transported and laid down by glaciers. Stratified, or glaciofluvial, drift is carried by waters flowing from the melting ice of a glacier. The ...

Hancock, Herbie

(Encyclopedia) Hancock, Herbie (Herbert Jeffrey Hancock), 1940- , American jazz pianist, composer, and bandleader, b. Chicago, Il., Grinnell College (B.S.E., 1960, H...

Burne-Jones, Sir Edward

(Encyclopedia)Burne-Jones, Sir Edward, 1833–98. English painter and decorator, b. Birmingham. Expected to enter the Church, he went to Exeter College, Oxford, where he met William Morris, who became his lifelong ...

white shark

(Encyclopedia)white shark, large, ferocious shark, Carcharodon carcharias. Also known as the great white shark and maneater, this shark can attack swimmers and boats without provocation, though it does not typicall...

Palau

(Encyclopedia)Palau pälouˈ [key], officially Republic of Palau, independent nation (2015 est. pop. 21,000), c.192 sq mi (497 sq km), W Pacific, in the W Caroline Islands. Belau, the indigenous name for Palau, is ...

coral reefs

(Encyclopedia)coral reefs, limestone formations produced by living organisms, found in shallow, tropical marine waters. In most reefs, the predominant organisms are stony corals, colonial cnidarians that secrete an...

Baykal

(Encyclopedia)Baykal or Baikal both: bīkälˈ [key], lake, 12,160 sq mi (31,494 sq km), SE Siberian Russia. It is the largest freshwater lake of Eurasia, with a width up to 50 mi (80 km) and a length of c.395 mi (...

Stirling engine

(Encyclopedia)Stirling engine, an external combustion reciprocating engine having an enclosed working fluid that is alternately compressed and expanded to operate a piston, thus converting heat from a variety of so...
 

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