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enthalpy

(Encyclopedia)enthalpy ĕnˈthălpē [key], measure of the heat content of a chemical or physical system; it is a quantity derived from the heat and work relations studied in thermodynamics. As a system changes fro...

Ranke, Leopold von

(Encyclopedia)Ranke, Leopold von lāˈōpôlt fən rängˈkə [key], 1795–1886, German historian, generally recognized as the father of the modern objective historical school. He applied and elaborated Barthold N...

Nez Percé

(Encyclopedia)Nez Percé nĕz pûrs, nā pĕrsāˈ [key] [Fr.,=pierced nose], Native North Americans whose language belongs to the Sahaptin-Chinook branch of the Penutian linguistic stock (see Native American langu...

Sacco-Vanzetti Case

(Encyclopedia)Sacco-Vanzetti Case săkˈō-vănzĕtˈē [key]. On Apr. 15, 1920, a paymaster for a shoe company in South Braintree, Mass., and his guard were shot and killed by two men who escaped with over $15,000...

duress

(Encyclopedia)duress dyo͝oˈrĭs, do͝oˈ–, do͝orĕsˈ [key], in law, actual or threatened violence or imprisonment, by reason of which a person is forced to enter into an agreement or to perform some other act...

Frederick III, emperor of Germany and king of Prussia

(Encyclopedia)Frederick III, 1831–88, emperor of Germany and king of Prussia (Mar.–June, 1888), son and successor of William I. In 1858 he married Victoria, the princess royal of England, who exerted considerab...

advance health care directive

(Encyclopedia)advance health care directive: see living will. ...

Judgment Day

(Encyclopedia)Judgment Day or Doomsday, central point of early Christian, Jewish, and Islamic eschatology, sometimes called the Day of the Lord. References to it throughout the Bible are numerous. The Christian bel...

mandamus

(Encyclopedia)mandamus măndāˈməs [key] [Lat.,=we order], in law, writ directing the performance of ministerial acts. A ministerial act is one that a person or body is obliged by law to perform under given circu...

calculus of variations

(Encyclopedia)calculus of variations, branch of mathematics concerned with finding maximum or minimum conditions for a relationship between two or more variables that depends not only on the variables themselves, a...