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wave, in the earth sciences

(Encyclopedia)CE5 A. Diagram of wave: Wave travels one wavelength during one period B. Diagram of wave: Phase relationships wave, in oceanography, an oscillating movement up and down, of a body of water caused ...

Moore, George

(Encyclopedia)Moore, George, 1852–1933, English author, b. Ireland. As a young man he lived in Paris, studying at various art schools. Inspired by Zola, Flaubert, Turgenev, and the 19th-century French realists, M...

mir, former Russian peasant community

(Encyclopedia)mir mēr [key], former Russian peasant community. The mir, which antedated serfdom (16th cent.) in Russia, persisted in its primitive form until after the Russian Revolution of 1917. In a community of...

hammerhead shark

(Encyclopedia)hammerhead shark, active, surface-living shark, genus Sphyrina. Its curious head has lateral projections resembling the crossbar of a T, and its eyes and ears are located in the outer tips of the proj...

gull

(Encyclopedia)gull, common name for an aquatic bird of the family Laridae, which also includes the tern and the jaeger. It is found near all oceans and many inland waters. Gulls are larger and bulkier than terns, a...

sea spider

(Encyclopedia)sea spider, common name for members of the class Pycnogonida, long-legged, rather spiderlike organisms of the subphylum Chelicerata, widely distributed in marine waters. Most are tiny, from 1 to 9 mm ...

sea anemone

(Encyclopedia)sea anemone ənĕmˈənēˌ [key], any of the relatively large, predominantly solitary polyps (see polyp and medusa) of the class Anthozoa, phylum Cnidaria. Unlike the closely related corals, these or...

Bakassi

(Encyclopedia)Bakassi bäkäˈsē [key], peninsula, c.400 sq mi (1,000 sq km), E Cameroon, on the Cameroon-Nigeria border, at the SE end of the Gulf of Guinea. The swampy peninsula and associated small islands are ...

Pitcairn Island

(Encyclopedia)Pitcairn Island, volcanic island (2005 est. pop. 45), 2.5 sq mi (6.5 sq km), South Pacific, SE of Tuamotu Archipelago. Adamstown is the capital and only settlement. The first British Pacific Islands p...

Newton, John

(Encyclopedia)Newton, John, 1725–1807, English clergyman and hymn writer, b. London. Until 1755, his life was spent chiefly at sea, where he eventually became the captain of a slave ship plying the waters between...