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geometry
(Encyclopedia)geometry [Gr.,=earth measuring], branch of mathematics concerned with the properties of and relationships between points, lines, planes, and figures and with generalizations of these concepts. Eucli...steam engine
(Encyclopedia) CE5 Steam engine steam engine, machine for converting heat energy into mechanical energy using steam as a medium, or working fluid. When water is converted into steam it expands, its volume increa...Mindszenty, József
(Encyclopedia)Mindszenty, József mĭndˈsĕntē [key], 1892–1975, Hungarian prelate, cardinal of the Roman Catholic Church. He was bishop of Veszprém during the German occupation of Hungary in World War II. His...Clifford, Clark McAdams
(Encyclopedia)Clifford, Clark McAdams, 1906–98, U.S. government official, b. Fort Scott, Kans. Admitted to the bar in 1928, he engaged in private practice before serving (1944–46) in the U.S. navy. As special a...Armstrong, Lance
(Encyclopedia)Armstrong, Lance, 1971–, American cyclist, b. Dallas, Tex. He won (1991) the U.S. amateur cycling championship, turned professional (1992), and by the mid-1990s had won the Tour DuPont twice and was...Fillon, François Charles Amand
(Encyclopedia)Fillon, François Charles Amand fräNswäˈ shärl ämäNˈ fēyôNˈ [key], 1954–, French political leader, b. Le Mans. A conservative, he served as an assembly deputy (1981–2002, 2007–17) and ...Mubarak, Muhammad Hosni
(Encyclopedia)Mubarak, Muhammad Hosni hōsˈnē mo͞obəˈrək [key], 1928–2020, president of Egypt (1981–2011). Air force commander (1972–75) and vice president (1975–81) of Egypt, he became president afte...Burgh, Hubert de
(Encyclopedia)Burgh, Hubert de hyo͞oˈbərt də bûrg, bûrˈə [key], d. 1243, chief justiciar of England under kings John and Henry III. Having served as a royal minister and commander in France, he was appointe...Thomas, Clarence
(Encyclopedia)Thomas, Clarence, 1948–, associate justice of the U.S. Supreme Court (1991–), b. Pin Point (Savannah), Ga. Raised in a poor family, he graduated (1974) from the Yale Law School and became a promin...Browse by Subject
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