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Echinodermata

(Encyclopedia)CE5 Internal anatomy of a sea star, representative of the phylum Echinodermata Echinodermata əkīˌnōdûrˈmətə [key] [Gr.,=spiny skin], phylum of exclusively marine bottom-dwelling invertebra...

Dominica

(Encyclopedia)CE5 Dominica dŏmĭnēˈkə [key], officially Commonwealth of Dominica, republic (2015 est. pop. 73,000) consisting of the island of Dominica (290 sq mi/750 sq km), located in the Windward Islands,...

European Space Agency

(Encyclopedia)European Space Agency (ESA), multinational agency dedicated to the promotion, for exclusively peaceful purposes, of cooperation among European states in space research and technology. Member states in...

infancy

(Encyclopedia)infancy, stage of human development lasting from birth to approximately two years of age. The hallmarks of infancy are physical growth, motor development, vocal development, and cognitive and social d...

Mekong

(Encyclopedia)Mekong māˈkŏng, mēˈ– [key], Chinese Lancang, one of the great rivers of SE Asia, c.2,600 mi (4,180 km) long. From its marshy source (definitively identified in 1994) on the Rup-sa Pass in the h...

Van Gogh, Vincent

(Encyclopedia)Van Gogh, Vincent văn gō, Dutch vĭnsĕntˈ vän khôkh [key], 1853–90, postimpressionist painter, b. the Netherlands. Van Gogh's works are perhaps better known generally than those of any other p...

eagle

(Encyclopedia)eagle, common name for large predatory birds of the family Accipitridae (hawk family), found in all parts of the world. Eagles are similar to the buteos, or buzzard hawks, but are larger both in lengt...

Hubble's law

(Encyclopedia)Hubble's law, in astronomy, statement that the distances between galaxies (see galaxy) or clusters of galaxies are continuously increasing and that therefore the universe is expanding. Hubble's law ...

Hemingway, Ernest

(Encyclopedia)Hemingway, Ernest, 1899–1961, American novelist and short-story writer, b. Oak Park, Ill. one of the great American writers of the 20th cent. Hemingway's fiction usually focuses on people living ...

Thiers, Adolphe

(Encyclopedia)Thiers, Adolphe ädôlfˈ tyĕr [key], 1797–1877, French statesman, journalist, and historian. After studying law at Aix-en-Provence, Thiers went (1821) to Paris and joined the group of writers that...