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inclined plane

(Encyclopedia)CE5 Inclined plane inclined plane, simple machine, consisting of a sloping surface, whose purpose is to reduce the force that must be applied to raise a load. To raise a body vertically a force mu...

Comnenus

(Encyclopedia)Comnenus kŏmnēˈnəs [key], family name of several Byzantine emperors—Isaac I, Alexius I, John II, Manuel I, Alexius II, and Andronicus I—who reigned in the 11th and 12th cent., and of the histo...

Joplin

(Encyclopedia)Joplin jŏpˈlĭn [key], city (1990 pop. 40,961), Jasper and Newton counties, SW Mo., at the edge of the Ozarks; settled c.1839, inc. 1873. It is a railroad center, the shipping and processing point o...

Picard, Jean

(Encyclopedia)Picard, Jean, 1620–82, French astronomer, noted for having made the first accurate measurement of a degree of the earth's meridian. The figures he established were of great value to Newton in his ca...

Abraham

(Encyclopedia)Abraham [according to the Book of Genesis, Heb.,=father of many nations] or Abram āˈbrəm [key] [Heb.,=exalted father], in the Bible, progenitor of the Hebrews; in the Qur'an, ancestor of the Arabs....

Lipton, Sir Thomas Johnstone

(Encyclopedia)Lipton, Sir Thomas Johnstone, 1850–1931, Scottish merchant and yachting enthusiast. After spending several years in the United States he returned (1869) to his native Glasgow and opened a small groc...

Leggett, Sir Anthony James

(Encyclopedia)Leggett, Sir Anthony James, 1938–, British physicist, Ph.D. Oxford, 1964. He was a professor at Sussex Univ., England, from 1967 to 1983, when he joined the faculty at the Univ. of Illinois at Urban...

Langevin, Sir Hector Louis

(Encyclopedia)Langevin, Sir Hector Louis ĕktôrˈ lwē läNzhəvăNˈ [key], 1826–1906, Canadian legislator, b. Quebec. A lawyer, he served in the Legislative Assembly (1857–67) and its successor, the House of...

Lankester, Sir Edwin Ray

(Encyclopedia)Lankester, Sir Edwin Ray lăngˈkəstər [key], 1847–1929, English zoologist. He was a professor at University College, London (1874–90) and Oxford (1891–98) and was director of the natural hist...

LaFontaine, Sir Louis Hippolyte

(Encyclopedia)LaFontaine, Sir Louis Hippolyte ləwēˈ ēpôlētˈ läfôNtĕnˈ [key], 1807–64, Canadian political leader, b. Lower Canada (now Quebec). A lawyer, he entered (1830) the Legislative Assembly of Lo...