Columbia Encyclopedia

Search results

500 results found

Qatar

(Encyclopedia)CE5 Qatar or Katar both: kŭˈtər, gŭ–, kətärˈ [key], officially State of Qatar, independent emirate (2015 est. pop. 2,482,000), c.4,400 sq mi (11,400 sq km), E Arabia, coextensive with the ...

hurricane

(Encyclopedia)CE5 View into the eye of a hurricane showing the structure of the surrounding cloud wall hurricane, tropical cyclone in which winds attain speeds greater than 74 mi (119 km) per hr. Wind speeds gu...

earth, in geology and astronomy

(Encyclopedia)CE5 A. Cross section of the earth, showing its shells B. Detailed cross section of the crust and upper mantle: The lithosphere consists of the hard rock in the crust and upper mantle, lying above t...

Slovenia

(Encyclopedia)CE5 Slovenia slōvēˈnēə [key], Slovene Slovenija, officially Republic of Slovenia, republic (2015 est. pop. 2,075,000), 7,817 sq mi (20,246 sq km). It is bounded in the north by Austria, in the...

Bhutan

(Encyclopedia)CE5 Bhutan bo͞otänˈ [key], officially Kingdom of Bhutan, kingdom (2020 est. pop. 771,612), ...

bird

(Encyclopedia)CE5 General anatomy of a bird bird, warm-blooded, egg-laying, vertebrate animal having its body covered with feathers and its forelimbs modified into wings, which are used by most birds for flight...

Botswana

(Encyclopedia)CE5 Botswana bŏtswäˈnə [key], officially Republic of Botswana, republic (2020 est. pop. ...

Holy Roman Empire

(Encyclopedia)CE5 Holy Roman Empire (c.1100) CE5 Holy Roman Empire, designation for the political entity that originated at the coronation as emperor (962) of the German king Otto I and endured until the renu...

nuclear energy

(Encyclopedia)CE5 Graph of binding energy per nucleon as a function of mass number nuclear energy, the energy stored in the nucleus of an atom and released through fission, fusion, or radioactivity. In these pr...

Lithuania

(Encyclopedia)CE5 Lithuania lĭtho͞oāˈnēə [key], Lithuanian Lietuva, officially Republic of Lithuania, republic (2015 est. pop. 2,932,000), 25,174 sq mi (65,201 sq km), N central Europe. Lithuania borders o...