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piano

(Encyclopedia)piano or pianoforte, musical instrument whose sound is produced by vibrating strings struck by felt hammers that are controlled from a keyboard. The piano's earliest predecessor was the dulcimer. The ...

public health

(Encyclopedia)public health, field of medicine and hygiene dealing with the prevention of disease and the promotion of health by government agencies. In the United States, public health authorities are engaged in m...

O'Neill, Eugene (Gladstone)

(Encyclopedia)O'Neill, Eugene (Gladstone), 1888–1953, American dramatist, b. New York City. He is widely acknowledged as America's greatest playwright. Near the end of his life O'Neill renounced his daughter Oo...

Brandeis, Louis Dembitz

(Encyclopedia)Brandeis, Louis Dembitz brănˈdīs [key], 1856–1941, associate justice of the U.S. Supreme Court (1916–39), b. Louisville, Ky., grad. Harvard law school, 1877. As a successful Boston lawyer (1879...

campaign, political

(Encyclopedia)campaign, political, organized effort to secure nomination and election of candidates for government offices. In the United States, the most important political campaigns are those for the nomination ...

Holocaust

(Encyclopedia)Holocaust hŏlˈəkôstˌ, hōˈlə– [key], name given to the period of persecution and extermination of European Jews by Nazi Germany. Romani (Gypsies), homosexuals, Jehovah's Witnesses, the disabl...

Lawrence Berkeley National Laboratory

(Encyclopedia)Lawrence Berkeley National Laboratory and Lawrence Livermore National Laboratory, scientific research centers run by the Univ. of California, located in Berkeley, Calif., and Livermore, Calif., respec...

Mazepa, Ivan

(Encyclopedia)Mazepa, Ivan ēvänˈ məzyāˈpə [key], c.1640–1709, Cossack hetman [leader] in the Russian Ukraine. He was made hetman (1687) on the insistence of Prince Gallitzin, adviser to the Russian regent,...

Kony, Joseph Rao

(Encyclopedia)Kony, Joseph Rao, 1964?–, Ugandan rebel and war criminal. His cousin, Alice Lakwena, led the Holy Spirit Movement against (1986–87) Uganda's President Museveni, and when she was defeated, Kony for...

Kootenai, indigenous group of North America

(Encyclopedia)Kootenai ko͞otˈənāˌ [key], group of Native North Americans who in the 18th cent. occupied the so-called Kootenai country (i.e., N Montana, N Idaho, and SE British Columbia). Their language is tho...