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rotary engine

(Encyclopedia)rotary engine, internal-combustion engine whose cycle is similar to that of a piston engine, but which produces rotary motion directly without any conversion from reciprocating motion. A major problem...

Walter Reed Army Medical Center

(Encyclopedia)Walter Reed Army Medical Center, former major military hospital complex in Washington, D.C., and Forest Glen, Md. The original facility, Walter Reed General Hospital, named for U.S. army surgeon Walte...

Florey, Howard Walter Florey, Baron

(Encyclopedia)Florey, Howard Walter Florey, Baron, 1898–1968, British pathologist, b. Australia. He was educated at Adelaide Univ. and at Cambridge and Oxford and returned to Oxford as professor of pathology in 1...

Beaton, Sir Cecil Walter Hardy

(Encyclopedia)Beaton, Sir Cecil Walter Hardy bēˈtən [key], 1904–80, English scenery and costume designer, photographer, writer, painter, and diarist. After designing his first stage show (1935), Beaton worked ...

Papin, Denis

(Encyclopedia)Papin, Denis dənēˈ päpăNˈ [key], 1647–1712?, French physicist and inventor. He was an assistant of Christian Huygens and of Robert Boyle and was professor of mathematics at the Univ. of Marbur...

cadence

(Encyclopedia)cadence, in music, the ending of a phrase or composition. In singing the voice may be raised or lowered, or the singer may execute elaborate variations within the key. In instrumental music, with deve...

diesel engine

(Encyclopedia)diesel engine, type of internal-combustion engine invented by the German engineer Rudolf Diesel and patented by him in 1892. Although his engine was designed to use coal dust as fuel, the diesel engin...

cloud chamber

(Encyclopedia)cloud chamber, device used to detect elementary particles and other ionizing radiation. A cloud chamber consists essentially of a closed container filled with a supersaturated vapor, e.g., water in ai...

Kalckreuth, Leopold Karl Walter, Graf von

(Encyclopedia)Kalckreuth, Leopold Karl Walter, Graf von lāˈōpôlt kärl välˈtər gräf fən kälkˈroit [key], 1855–1928, German painter and graphic artist. He taught at the Weimar and Karlsruhe academies an...

Runciman, Walter Runciman, 1st Viscount

(Encyclopedia)Runciman, Walter Runciman, 1st Viscount rŭnˈsĭmən [key], 1870–1949, British shipping magnate and public official. He inherited his father's large shipping business. As a Liberal he served in Par...