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lyrebird

(Encyclopedia)lyrebird, common name for Australian passerine birds named for the appearance of the tail plumage of the male superb lyrebird, Menura novaehollandiae, when displayed during courtship. There are only t...

Leopold I, king of the Belgians

(Encyclopedia)Leopold I, 1790–1865, king of the Belgians (1831–65); youngest son of Francis Frederick, duke of Saxe-Coburg-Saalfeld. After serving as a page at the court of Napoleon I and as a general of the Ru...

Waldemar I

(Encyclopedia)Waldemar I (Waldemar the Great) wälˈdəmär [key], 1131–82, king of Denmark (1157–82). In 1147, Waldemar, Sweyn III, and Canute (son of Magnus the Strong and grandson of King Niels) each claimed...

Bongo, Omar

(Encyclopedia)Bongo, Omar (El Hadj Omar Bongo Ondimba) bôngˈgō [key], 1935–2009, Gabonese political leader, president of Gabon (1967–2009), b. Albert-Bernard Bongo. He entered the civil service (1958), becam...

Rowlandson, Thomas

(Encyclopedia)Rowlandson, Thomas rōˈləndsən [key], 1756–1827, English caricaturist, b. London. He studied at the Royal Academy and in Paris, but his passion for gambling prevented him from producing much unti...

Campion, Jane

(Encyclopedia)Campion, Jane, 1954–, New Zealand film director, b. Wellington; grad. Victoria Univ., Wellington (1975), Sydney College of the Arts, Australia (1979), Australian School of Film and Television, Sydne...

fermium

(Encyclopedia)fermium fûrˈmēəm [key] [for Enrico Fermi], artificially produced radioactive chemical element; symbol Fm; at. no. 100; mass no. of most stable isotope 257; m.p. 1,527℃; b.p. and sp. gr. unknown;...

Limburg, province, Belgium

(Encyclopedia)Limburg lĭmˈbûrg, Du. lĭmˈbûrkh [key], Fr. Limbourg, province (1991 pop. 750,435), 930 sq mi (2,409 sq km), NE Belgium, bordering on the Netherlands in the north. The chief cities are Hasselt (t...

lawrencium

(Encyclopedia)lawrencium, artificially produced radioactive chemical element; symbol Lr; at. no. 103; mass number of most stable isotope 262; m.p. about 1,627℃; b.p. and sp. gr. unknown; valence +3. Lawrencium is...

Brownian movement

(Encyclopedia)Brownian movement or motion, zigzag, irregular motion exhibited by minute particles of matter when suspended in a fluid. The effect has been observed in all types of colloidal suspensions (see colloid...