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hornpipe

(Encyclopedia) hornpipe, English folk dance known since the 16th cent., when it obtained its name from the wind instrument that accompanied it. The hornpipes of the 17th and 18th cent. have moderate…

wind

(Encyclopedia) wind, flow of air relative to the earth's surface. A wind is named according to the point of the compass from which it blows, e.g., a wind blowing from the north is a north wind. The…

Bates, H. E.

(Encyclopedia) Bates, H. E. (Herbert Ernest Bates), 1905–74, English author, b. Rushden, Northamptonshire. During World War II he served with the Royal Air Force. A good storyteller, Bates had the…

wind chill

(Encyclopedia) wind chill, the cooling effect of wind and temperature combined, expressed in terms of the effect produced by a lower, windless temperature, also called wind chill factor, wind chill…

wind shear

(Encyclopedia) wind shear, a sudden, drastic change in wind direction or speed over a comparatively short distance. Most winds travel horizontally, as does most wind shear, but under certain…

sarrusophone

(Encyclopedia) sarrusophonesarrusophonesərŭsˈəfōn [key], brass keyed wind instrument, played with a double reed, thus a member of the oboe family. Invented in 1856 by Sarrus, a French bandmaster, it…

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…

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…

windmill

(Encyclopedia) windmill, apparatus that harnesses wind power for a variety of uses, e.g., pumping water, grinding corn, driving small sawmills, and driving electrical generators. Windmills were…

solar wind

(Encyclopedia) solar wind, stream of ionized hydrogen—protons and electrons—with an 8% component of helium ions and trace amounts of heavier ions that radiates outward from the sun at high speeds.…