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Polk, James Knox
(Encyclopedia)Polk, James Knox pōk [key], 1795–1849, 11th President of the United States (1845–49), b. Mecklenburg co., N.C. To the surprise of many, the new President proved to be his own man; he even ignor...American Federation of Labor and Congress of Industrial Organizations
(Encyclopedia)American Federation of Labor and Congress of Industrial Organizations (AFL-CIO), a federation of autonomous labor unions in the United States, Canada, Mexico, Panama, and U.S. dependencies, formed in ...common law
(Encyclopedia)common law, system of law that prevails in England and in countries colonized by England. The name is derived from the medieval theory that the law administered by the king's courts represented the co...mountain men
(Encyclopedia)mountain men, fur trappers and traders in the Rocky Mts. during the 1820s and 30s. Their activities opened that region of the United States to general knowledge. Since the days of French domination th...Northwest Passage
(Encyclopedia)Northwest Passage, water routes through the Arctic Archipelago, N Canada, and along the northern coast of Alaska between the Pacific and Atlantic oceans. Even though the explorers of the 16th cent. de...Abu Ghraib
(Encyclopedia)Abu Ghraib or Abu Ghurayb äˈbo͞o grĕb [key], infamous prison located in the town of Abu Ghraib, c.20 mi (32 km) W of Baghdad, Iraq. Built by British contractors in the 1960s, it occupies c.280 acr...chemical bond
(Encyclopedia)chemical bond, mechanism whereby atoms combine to form molecules. There is a chemical bond between two atoms or groups of atoms when the forces acting between them are strong enough to lead to the for...Freud, Sigmund
(Encyclopedia)Freud, Sigmund froid [key], 1856–1939, Austrian psychiatrist, founder of psychoanalysis. Born in Moravia, he lived most of his life in Vienna, receiving his medical degree from the Univ. of Vienna i...ammonia
(Encyclopedia)ammonia, chemical compound, NH3, colorless gas that is about one half as dense as air at ordinary temperatures and pressures. It has a characteristic pungent, penetrating odor. Ammonia forms a minute ...Guatemala, country, Central America
(Encyclopedia)CE5 Guatemala gwätəmäˈlə [key], officially Republic of Guatemala, republic (2021 est. pop. ...Browse by Subject
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