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Concord, river, United States

(Encyclopedia)Concord, river, c.15 mi (24 km) long, NE Mass., a short tributary of the Merrimack, which it joins at Lowell. On Apr. 19, 1775, colonial militia fired some of the first shots of the American Revolutio...

Sanctus

(Encyclopedia)Sanctus [Lat.,=holy], hymn of the Roman Catholic Mass, beginning, “Holy, holy, holy,” from Isa. 6.3; Mat. 21.9. It is the solemn choral ending of the preface. In the old liturgy the second part of...

Atacama Desert

(Encyclopedia)Atacama Desert ätäkäˈmä [key], arid region, c.600 mi (970 km) long, N Chile, extending south from the border of Peru. The desert itself, c.2,000 ft (610 m) above sea level, is a series of dry sal...

fresco

(Encyclopedia)fresco frĕsˈkō [key] [Ital.,=fresh], in its pure form the art of painting upon damp, fresh, lime plaster. In Renaissance Italy it was called buon fresco to distinguish it from fresco secco, which w...

rhea, in zoology

(Encyclopedia)rhea rēˈə [key], common name for a South American bird of the family Rheidae, which is related to the ostrich. Weighing from 44 to 55 lb (20–25 kg) and standing up to 60 in. (152 cm) tall, the rh...

fan

(Encyclopedia)fan, device for agitating air or gases or moving them from one location to another. Mechanical fans with revolving blades are used for ventilation, in manufacturing, in winnowing grain, to remove dust...

radiator

(Encyclopedia)radiator, device used to heat an area surrounding it or to cool a fluid circulating within it. The familiar radiators of steam and hot water heating systems in buildings are misnamed, as they operate ...

Kingswood

(Encyclopedia)Kingswood, city (1991 pop. 54,736), South Gloucestershire, SW England. A residential suburb of Bristol, the city of Kingswood has printing and light engineering industries. The area is noted for its o...

sneeze

(Encyclopedia)sneeze, involuntary violent expiration of air through the nose and mouth. It results from stimulation of the nervous system in the nose, causing sudden contraction of the muscles of expiration. The st...

player piano

(Encyclopedia)player piano, an upright piano incorporating a mechanical system that automatically plays the encoded contents of a paper strip. This strip, perforated with holes whose position and length determine p...