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Luxembourg, grand duchy, W Europe

(Encyclopedia)CE5 Luxembourg lŭkˈsəmbûrg, Ger. lo͝okˈsəmbo͝orkh [key], officially Grand Duchy of Luxembourg, grand duchy (2015 est. pop. 567,000), 998 sq mi (2,586 sq km), W Europe. Roughly triangular, i...

magnetism

(Encyclopedia)CE5 Lines of induction around a single bar magnet and between opposite poles of different magnets magnetism, force of attraction or repulsion between various substances, especially those made of i...

Manitoba

(Encyclopedia)CE5 Manitoba mănĭtōˈbə [key], province (2001 pop. 1,119,583), 250,934 sq mi (650,930 sq km), including 39,215 sq mi (101,580 sq km) of water surface, W central Canada. The history of Manit...

rubber

(Encyclopedia)CE5 Basic molecules in rubber rubber, any solid substance that upon vulcanization becomes elastic; the term includes natural rubber (caoutchouc) and synthetic rubber. The term elastomer is sometim...

rocket, in aeronautics

(Encyclopedia)CE5 Relative positions of the components of the Saturn V rocket, the U.S. space vehicle used in the moon missions rocket, any vehicle propelled by ejection of the gases produced by combustion of s...

virus

(Encyclopedia)CE5 Structure of a tobacco mosaic virus, an RNA-containing virus virus, parasite with a noncellular structure composed mainly of nucleic acid within a protein coat. Most viruses are too small (100...

Europe

(Encyclopedia)CE5 Europe yo͝orˈəp [key], 6th largest continent, c.4,000,000 sq mi (10,360,000 sq km) including adjacent islands (2015 est. pop. 740,814,000). It is actually a vast peninsula of the great Euras...

Ontario, province, Canada

(Encyclopedia)CE5 Ontario ŏntârˈēō [key], province (2001 pop. 11,410,046), 412,582 sq mi (1,068,587 sq km), E central Canada. Before the arrival of Europeans the Ontario region was inhabited by several Al...

Gambia, The, country, Africa

(Encyclopedia)CE5 Gambia, The gămˈbēə, gämˈ– [key], officially Republic of The Gambia, republic (2015 est. pop. 1,978,000), 4,361 sq mi (11,295 sq km), W Africa. It is bordered by the Atlantic Ocean on t...

horse

(Encyclopedia)CE5 General anatomy of a horse horse, hoofed, herbivorous mammal now represented by a single extant genus, Equus. The term horse commonly refers only to the domestic Equus caballus and to the wild...