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explosive

(Encyclopedia)explosive, substance that undergoes decomposition or combustion with great rapidity, evolving much heat and producing a large volume of gas. The reaction products fill a much greater volume than that ...

Maurice, Byzantine emperor

(Encyclopedia)Maurice môrˈĭs [key], c.539–602, Byzantine emperor (582–602). He was a successful general when, on his deathbed, Tiberius II, his father-in-law and the successor of Justin II, proclaimed him em...

Bentivoglio

(Encyclopedia)Bentivoglio bānˈtēvōˈlyō [key], Italian noble family, one of several powerful clans in the struggle for control of Bologna during most of the 15th cent. Its greatest member was Giovanni II, who ...

Angevin

(Encyclopedia)Angevin ănˈjəvĭn [key] [Fr.,=of Anjou], name of two medieval dynasties originating in France. The first ruled over parts of France and over Jerusalem and England; the second ruled over parts of Fr...

Nero

(Encyclopedia)Nero (Nero Claudius Caesar) nērˈō [key], a.d. 37–a.d. 68, Roman emperor (a.d. 54–a.d. 68). He was originally named Lucius Domitius Ahenobarbus and was the son of Cnaeus Domitius Ahenobarbus (co...

Augsburg

(Encyclopedia)Augsburg ouksˈbo͝ork [key], city, capital of Swabia, Bavaria, S central Germany, a major industrial center on the Lech River. The major industries include the manufactur...

McKim, Charles Follen

(Encyclopedia)McKim, Charles Follen, 1847–1909, American architect, b. Chester co., Pa., studied (1867–70) at the École des Beaux-Arts. He was one of the founders of the firm of McKim, Mead, and Bigelow, which...

electrocardiography

(Encyclopedia)electrocardiography ĭlĕkˌtrōkärdēŏgˈrəfē [key], science of recording and interpreting the electrical activity that precedes and is a measure of the action of heart muscles. Since 1887, when ...

Stevens

(Encyclopedia)Stevens, family of U.S. inventors. John Stevens, 1749–1838, b. New York City, was graduated from King's College (now Columbia Univ.) in 1768. He studied law (1768–71) and soon joined his father, a...

Zaragoza

(Encyclopedia)Zaragoza sârˌəgōˈsə [key], city (1990 pop. 592,686), capital of Zaragoza prov. and leading city of Aragón, NE Spain, on the Ebro River. An important commercial and communications center, it is ...