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weather vane
(Encyclopedia)weather vane or wind vane, instrument used to indicate wind direction. It consists of an asymmetrically shaped object, e.g., an arrow or a rooster, mounted at its center of gravity so it can move free...cardiopulmonary resuscitation
(Encyclopedia)cardiopulmonary resuscitation (CPR), emergency procedure used to treat victims of cardiac and respiratory arrest. CPR can be done in a hospital with drugs and special equipment or as a first-aid techn...navigation
(Encyclopedia)navigation, science and technology of finding the position and directing the course of vessels and aircraft. The next great revolution in navigation occurred in the 20th cent., when radio signals ...Montgomery, Bernard Law, 1st Viscount Montgomery of Alamein
(Encyclopedia)Montgomery, Bernard Law, 1st Viscount Montgomery of Alamein məntgŭmˈərē, ăləmānˈ [key], 1887–1976, British field marshal. Educated at Sandhurst, he entered the army in 1908 and served in Wo...Elizabeth II, queen of Great Britain and Northern Ireland
(Encyclopedia)Elizabeth II, 1926–2022, former queen of Great Britain and Northern Ireland (1952–2022), elder daughter and successor of George VI, and Britain's lo...Elizabeth, queen consort of George VI of Great Britain
(Encyclopedia)Elizabeth, 1900–2002, queen consort of George VI of Great Britain, mother of Elizabeth II and Princess Margaret, b. London. She was Lady Elizabeth Bowes-Lyon until her marriage (1923). During the Bl...French Revolutionary calendar
(Encyclopedia)French Revolutionary calendar, the official calendar of France, Nov. 24, 1793–Dec. 31, 1805. Its introduction was decreed by the Convention on Oct. 5, 1793, but it was computed from Sept. 22, 1792, ...wave, in the earth sciences
(Encyclopedia)CE5 A. Diagram of wave: Wave travels one wavelength during one period B. Diagram of wave: Phase relationships wave, in oceanography, an oscillating movement up and down, of a body of water caused ...di Stéfano, Alfredo
(Encyclopedia)di Stéfano, Alfredo, 1926–2014, Argentinian-born soccer star, one of the game's greats. Nominally a center-forward, he became famous for his versatility on the field as well as for his strength and...checkers
(Encyclopedia)checkers, game for two players, known in England as draughts. It is played on a square board, divided into 64 alternately colored—usually red and black or white and black—square spaces, identical ...Browse by Subject
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