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Yankton, indigenous people of North America

(Encyclopedia)Yankton and Yanktonnai: see Sioux. ...

Yuma, indigenous people of North America

(Encyclopedia)Yuma yo͞oˈ mə [key], Native North Americans whose language belongs to the Yuman branch of the Hokan-Siouan linguistic stock (see Native American languages). Also known as the Quechan, they formerly...

quaking grass

(Encyclopedia)quaking grass, any plant of the genus Briza, annuals or perennials of the Poaceae (grass family), cultivated for the graceful clusters of seeds, which vibrate in a breeze and are used in everlasting b...

Kaieteur Falls

(Encyclopedia)Kaieteur Falls kīəto͝orˈ [key], waterfall, 741 ft (226 m) high, in the Potaro River, W Guyana. It plunges over an escarpment of the Guyana Highlands. One of the most impressive falls in South Amer...

El Niño–Southern Oscillation

(Encyclopedia)El Niño–Southern Oscillation (ENSO) ĕl nēnˈyō [key], large-scale climatic fluctuation of the tropical Pacific Ocean and the overlying atmosphere. The El Niño [Span.,=the child] is the South Am...

reductions

(Encyclopedia)reductions, Span. reducciones, settlements of indigenous peoples in colonial Latin America, founded (beginning in 1609) to utilize efficiently native labor and to teach the natives the ways of Spanish...

coot

(Encyclopedia)coot, common name for a migratory marsh bird related to rails and gallinules and found in North America and Europe. The American coot (Fulica americana), or mud hen, is slate gray with a white bill, b...

Eigenmann, Carl H.

(Encyclopedia)Eigenmann, Carl H. īˈgənmən [key], 1863–1927, American ichthyologist, b. Germany, grad. Indiana Univ., 1886. From 1891 he taught at Indiana Univ., founding and directing the biological station a...

Branner, John Casper

(Encyclopedia)Branner, John Casper, 1850–1922, American geologist, b. New Market, Tenn. He made geological investigations in Brazil (1874–84); the results of these studies and of others made in later years were...

Thirteen Colonies, the

(Encyclopedia)Thirteen Colonies, the, term used for the colonies of British North America that joined together in the American Revolution against the mother country, adopted the Declaration of Independence in 1776,...