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Portugal

(Encyclopedia)CE5 Portugal pôrˈchəgəl [key], officially Portuguese Republic, republic (2015 est. pop. 10,418,000), 35,553 sq mi (92,082 sq km), SW Europe, on the western side of the Iberian Peninsula and inc...

Kentucky, state, United States

(Encyclopedia)CE5 Kentucky kəntŭkˈē, kĭn– [key], state of the SE central United States. It is bordered by West Virginia and Virginia (E); Tennessee (S); the Mississippi River, across which lies Missouri (...

Central African Republic

(Encyclopedia)CE5 Central African Republic, republic (2020 est. pop. 4,829,767), 240,534 sq mi (622,983 sq km), central Africa. The landlocked nation is bordered b...

science

(Encyclopedia)science [Lat. scientia=knowledge]. For many the term science refers to the organized body of knowledge concerning the physical world, both animate and inanimate, but a proper definition would also hav...

camera

(Encyclopedia)CE5 Image formed by a camera camera, lightproof box or container, usually fitted with a lens, which gathers incoming light and concentrates it so that it can be directed toward the film (in an opt...

Madagascar

(Encyclopedia)CE5 Madagascar mădˌəgăsˈcär [key], officially Republic of Madagascar, republic (2015 est. pop. 24,234,000), 226,658 sq mi (587,045 sq km), in the Indian Ocean, separated from E Africa by the ...

Tanzania

(Encyclopedia)CE5 Tanzania tănˌzənēˈə, –zănˈēə, Swahili tänzänēˈä [key], officially United Republic of Tanzania, republic (2015 est. pop. 51,046,000), 364,898 sq mi (945,087 sq km), E Africa, fo...

mathematics

(Encyclopedia)mathematics, deductive study of numbers, geometry, and various abstract constructs, or structures; the latter often “abstract” the features common to several models derived from the empirical, or ...

New York, city, United States

(Encyclopedia)New York, city (2020 pop. 8,336,817), land area 304.8 sq mi (789.4 sq km), SE N.Y., largest city in the United States and one of the largest in the worl...

Africa

(Encyclopedia)CE5 Africa ăfˈrĭkə [key], second largest continent (2015 est. pop. 1,194,370,000), c.11,677,240 sq mi (30,244,050 sq km) including adjacent islands. Broad to the north (c.4,600 mi/7,400 km wide...