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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...

Chladni, Ernst Florens Friedrich

(Encyclopedia)Chladni, Ernst Florens Friedrich ĕrnst flōˈrĕns frēˈdrĭkh klädˈnē [key], 1756–1827, German physicist. An authority on acoustics, he made studies of the transmission of sound in various gas...

figure

(Encyclopedia)figure, in music, short melodic or rhythmic pattern, the smallest grouping of notes that will produce a single distinct impression. In this sense figure is synonymous with motive. In music before the ...

fireball

(Encyclopedia)fireball, very bright meteor leaving a trail in the sky that can remain visible for several minutes; often a distinct sound, perhaps caused by very low frequency radio waves, is associated with it. A ...

Guilford

(Encyclopedia)Guilford gĭlˈfərd [key], town (2020 pop. 22,073), New Haven co., S Conn., on Long Island S...

Achill

(Encyclopedia)Achill ăkˈĭl [key] [Irish,=eagle], island, 56 sq mi (145 sq km), Co. Mayo, W Republic of Ireland; the largest island of Ireland. It is connected with the mainland by a bridge over Achill Sound. The...

N

(Encyclopedia)N, 14th letter of the alphabet. It is a usual symbol for a voiced alveolar (or dental) nasal, as in the English not. The diagraph ng represents a different sound, a voiced velar nasal, as in the Engli...

Martin, Mary

(Encyclopedia)Martin, Mary, 1913–90, American musical comedy star, b. Weatherford, Tex. From Martin's first stage appearance in Leave It to Me (1938), she starred in several enormously successful musicals, includ...

Kendrick, John

(Encyclopedia)Kendrick, John, c.1740–1794, American sea captain, b. Massachusetts. During part of the American Revolution he commanded privateers. As commander of an expedition composed of the Columbia and Washin...

Thayer, Sylvanus

(Encyclopedia)Thayer, Sylvanus, 1785–1872, American soldier and educator, b. Braintree, Mass., grad. Dartmouth, 1807, and West Point, 1808. During the War of 1812 he served as an engineer, and afterward he was se...