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gadolinium

(Encyclopedia)gadolinium gădəlĭnˈēəm [key], metallic chemical element; symbol Gd; at. no. 64; at. wt. 157.25; m.p. 1,312℃; b.p. 3,233℃; sp. gr. 7.898 at 25℃; valence +3. Gadolinium is a malleable, ducti...

Hastert, Dennis

(Encyclopedia)Hastert, Dennis (John Dennis “Denny” Hastert) hăsˈtərt [key], 1942–, U.S. congressman, Speaker of the U.S. House of Representatives (1999–2007), b. Aurora, Ill. He attended Wheaton College ...

Karakalpakstan Republic

(Encyclopedia)Karakalpakstan Republic käˌrəkŭlpäkˈ [key], autonomous republic (1992 pop. 1,312,000), c.61,000 sq mi (158,000 sq km), W Uzbekistan, on the Amu Darya River. Nukus is the capital. The republic co...

Wellesley, Richard Colley Wellesley, 1st Marquess

(Encyclopedia)Wellesley, Richard Colley Wellesley, 1st Marquess, 1760–1842, British colonial administrator; brother of Arthur Wellesley, 1st duke of Wellington. He became earl of Mornington on his father's death ...

central bank

(Encyclopedia)central bank, financial institution designed to regulate and control the money supply of a nation, with the goal of fostering economic growth without inflation. Although central banking systems have v...

space science

(Encyclopedia)space science, body of scientific knowledge as it relates to space exploration; it is sometimes also called astronautics. Space science draws on the conventional sciences of physics, chemistry, biolog...

malaria

(Encyclopedia)malaria, infectious parasitic disease that can be either acute or chronic and is frequently recurrent. Malaria is common in Africa, Central and South America, the Mediterranean countries, Asia, and ma...

Louis III, king of Naples

(Encyclopedia)Louis III, 1403–34, king of Naples (1417–34; rival claimant to Joanna II), duke of Anjou, count of Provence, son and successor of Louis II. He invaded Naples in 1420. Queen Joanna called in the ai...

Melville, Henry Dundas, 1st Viscount

(Encyclopedia)Melville, Henry Dundas, 1st Viscount, 1742–1811, British lawyer and politician. He was solicitor general for Scotland (1766–75), entered Parliament in 1774, and became lord advocate in 1775. Durin...

monetarism

(Encyclopedia)monetarism, economic theory that monetary policy, or control of the money supply, is the primary if not sole determinant of a nation's economy. Monetarists believe that management of the money supply ...