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Hazard, Ebenezer

(Encyclopedia)Hazard, Ebenezer, 1744–1817, American public official and historian, b. Philadelphia. He became a publisher in New York City. He was appointed (1775) first postmaster of the city under the Continent...

horsepower

(Encyclopedia)horsepower, unit of power in the English system of units. It is equal to 33,000 foot-pounds per minute or 550 foot-pounds per second or approximately 746 watts. The term horsepower originated with Jam...

travois

(Encyclopedia)travois trăvoiˈ [key], device used by Native North Americans of the Great Plains for transporting their tepees and household goods. It consisted of two poles, lashed one on either side of a dog or, ...

Canonsburg

(Encyclopedia)Canonsburg, borough (2020 pop. 8,672), Washington co., SW Pa., inc. 1802. Its steel and coal industries have declined significantly. A gram of radium pr...

zebra

(Encyclopedia)zebra, herbivorous hoofed African mammal of the genus Equus, which also includes the horse and the ass. It is distinguished by its striking pattern of black or dark brown stripes alternating with whit...

Martin, Steve

(Encyclopedia)Martin, Steve, 1945–, American comedian, actor, and writer, b. Waco, Tex. An Emmy-winning television comedy writer in the late 1960s for the Smothers ...

Poitier, Sir Sidney

(Encyclopedia)Poitier, Sir Sidney, 1927–2022, Bahamian-American actor, b. Miami, raised in the Bahamas, returned to the United States at 14. Poitier served in the 1...

Horsehead Nebula

(Encyclopedia)Horsehead Nebula, dark nebula located in the constellation Orion; designated IC 434 or B 33. It consists of a cloud of nonluminous interstellar matter resembling the outline of a horse's head and appe...

Hofuf

(Encyclopedia)Hofuf äl ho͝o– [key], town, E Saudi Arabia. Textile manufacturing, food processing, and A...

Hales, Stephen

(Encyclopedia)Hales, Stephen, 1677–1761, English physiologist and clergyman. From 1709 he was perpetual curate of Teddington. His experimental studies in animal and plant physiology contributed greatly to the pro...