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pump

(Encyclopedia)pump, device to lift, transfer, or increase the pressure of a fluid (gas or liquid) or to create a vacuum in an enclosed space by the removal of a gas (see vacuum pumps under vacuum). The centrifugal ...

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...

serial music

(Encyclopedia)serial music, the body of compositions whose fundamental syntactical reference is a particular ordering (called series or row) of the twelve pitch classes—C, C#, D, D#, E, F, F#, G, G#, A, A#, B—t...

Stirling engine

(Encyclopedia)Stirling engine, an external combustion reciprocating engine having an enclosed working fluid that is alternately compressed and expanded to operate a piston, thus converting heat from a variety of so...

Landor, Walter Savage

(Encyclopedia)Landor, Walter Savage, 1775–1864, English poet and essayist, educated at Oxford. After a quarrel with his father, he went to live in Wales, where he wrote the epic poem Gebir (1798). The middle and ...

Mondale, Walter Frederick

(Encyclopedia)Mondale, Walter Frederick ("Fritz"), 1928–2021, Vice President of the United States (1977–81), b. Ceylon, Minn., Univ. of Minn. (B.A., 1951; LL.B., ...

Merton, Walter de

(Encyclopedia)Merton, Walter de, d. 1277, English bishop, founder of Merton College, Oxford. He was lord chancellor from 1261 to 1263, was reappointed after the death of Henry III (1272), and was made bishop of Roc...

Johnson, Walter Perry

(Encyclopedia)Johnson, Walter Perry, 1887–1946, American baseball player, b. Humboldt, Kans. He began playing with the Washington Senators of the American League in 1907. A right-handed pitcher, he won 417 games ...

Kerr, Walter Francis

(Encyclopedia)Kerr, Walter Francis, 1913–96, American drama critic, b. Evanston, Ill. He wrote for the theater in the 1930s, and became drama critic for the New York Herald Tribune in 1951 and for the New York Ti...

Munk, Walter Heinrich

(Encyclopedia)Munk, Walter Heinrich, 1917–2019, American oceanographer and geophysicist, b. Vienna (then in Austria-Hungary), B.S. California Institute of Technology, 1939, Ph.D Univ. of California, Los Angeles, ...