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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 probably not known in...

Beaufort scale

(Encyclopedia)Beaufort scale, a scale of wind velocity devised (c.1805) by Admiral Sir Francis Beaufort of the British navy. An adaptation of Beaufort's scale is used by the U.S. National Weather Service; it employ...

anemometer

(Encyclopedia)anemometer: see wind.

sandstorm

(Encyclopedia)sandstorm, strong dry wind blowing over the desert that raises and carries along clouds of sand or dust often so dense as to obscure the sun and reduce visibility almost to zero; also known as a dusts...

acknowledgment

(Encyclopedia)acknowledgment, in law, formal declaration or admission by a person who executed an instrument (e.g., a will or a deed) that the instrument is his. The acknowledgment is made before a court, a notary ...

strip cropping

(Encyclopedia)strip cropping, practice of growing field crops in narrow strips either at right angles to the direction of the prevailing wind, or following the natural contours of the terrain to prevent wind and wa...

balalaika

(Encyclopedia)balalaika băləlīˈkə [key], Russian stringed musical instrument, with a triangular body and a long fretted neck fretted instrument. Usually there are three strings, which are generally plucked wit...

Eos

(Encyclopedia)Eos ēˈŏs [key], in Greek religion and mythology, goddess of dawn; daughter of the Titans Hyperion and Theia. Every morning she arose early and preceded her brother Helios into the heavens. Her husb...

harmonica

(Encyclopedia)harmonica. 1 The simplest of the musical instruments employing free reeds, known also as the mouth organ or French harp. It was probably invented in 1829 by Friedrich Buschmann of Berlin, who called h...

ILAS

(Encyclopedia)ILAS, instrument low-approach system: see instrument-landing system. ...