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olivine

(Encyclopedia)olivine ŏlĭvˈēn [key], an iron-magnesium silicate mineral, (Mg,Fe)2SiO4, crystallizing in the orthorhombic system. It is a common constituent of magnesium-rich, silica-poor igneous rocks; metamorp...

Equisetophyta

(Encyclopedia)Equisetophyta ĕkˌwəsətŏfˈətə [key], small division of the plant kingdom consisting of the plants commonly called horsetails and scouring rushes. Equisetum, the only living genus in this divisi...

garnet

(Encyclopedia)garnet, name applied to a group of isomorphic minerals crystallizing in the cubic system. They are used chiefly as gems and as abrasives (as in garnet paper). The garnets are double silicates; one of ...

Finley, Robert

(Encyclopedia)Finley, Robert fĭnˈlē [key], 1772–1817, American clergyman, a founder of the American Colonization Society, b. Princeton, N.J. In 1787 he graduated from the College of New Jersey (now Princeton),...

New Harmony

(Encyclopedia)New Harmony, town (1990 pop. 846), Posey co., SW Ind., on the Wabash River; founded 1814 by the Harmony Society under George Rapp. In 1825 the Harmonists sold their holdings to Robert Owen and moved t...

Nicolay, John George

(Encyclopedia)Nicolay, John George nĭkˈəlā [key], 1832–1901, biographer of Lincoln, b. Bavaria. In 1837 he was brought to the United States, and his family settled in Pike co., Ill. He worked on the Pittsfiel...

Masai

(Encyclopedia)Masai or Maasai mäsīˈ [key], a largely nomadic pastoral people of E Africa, chiefly in Kenya and Tanzania. Cattle and sheep form the basis of the economy that they have maintained in resistance to ...

Tracy, Spencer

(Encyclopedia)Tracy, Spencer, 1900–1967, American film actor, b. Milwaukee, Wis. He began his career as an actor in summer stock and went into film work in 1930. His fine character portrayals won him Academy Awar...

Baden-Powell of Gilwell, Robert Stephenson Smyth Baden-Powell, 1st Baron

(Encyclopedia)Baden-Powell of Gilwell, Robert Stephenson Smyth Baden-Powell, 1st Baron bāˈdən-pōˈəl [key], 1857–1941, British soldier, founder of the Boy Scouts (see Scouts). He saw much active service in I...

bird of paradise

(Encyclopedia)bird of paradise, common name for any of 43 species of medium- to crow-sized passerine birds of New Guinea and the adjacent islands, known for the bright plumage, elongated tail feathers called wires,...