Columbia Encyclopedia

Search results

57 results found

Algeria

(Encyclopedia)CE5 Algeria ăljērˈēə [key], Arab. Al Djazair, Fr. Algérie, officially People's Democratic Republic of Algeria, republic (2021 est. pop. 45,011,252), 919,590 sq mi...

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 ...

Somalia

(Encyclopedia)CE5 Somalia sōmäˈleə [key], officially Federal Republic of Somalia, country (2015 est. pop. 10,616,000), 246,200 sq mi (637,657 sq km), extreme E Africa. It is directly south of the Arabian pen...

Lebanon, country, Asia

(Encyclopedia)CE5 Lebanon lĕbˈənən, –nŏnˌ [key], officially Lebanese Republic, republic (2015 est. pop. 5,851,000), 4,015 sq mi (10,400 sq km), SW Asia. The country is bordered on the west by the Mediter...

Afghanistan

(Encyclopedia)CE5 Afghanistan ăfgănˈĭstănˌ, ăfgänˌĭstänˈ [key], officially Islamic Republic of Afghanistan, republic (2020 est. pop. 38,930,000), 249,999 sq mi (6...

Sudan

(Encyclopedia)CE5 Sudan so͞odănˈ [key], officially Republic of the Sudan, republic (2015 est. pop. 38,648,000), 718,723 sq mi (1,861,484 sq km), NE Africa. It borders on Egypt in the north, on the Red Sea in ...

Peru, country, South America

(Encyclopedia)CE5 Peru pāro͞oˈ [key], officially Republic of Peru, republic (2015 est. pop. 31,377,000), 496,220 sq mi (1,285,210 sq km), W South America. It borders on the Pacific Ocean in the west, on Ecuad...

Browse by Subject