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nitrogen cycle

(Encyclopedia) CE5 Nitrogen cycle nitrogen cycle, the continuous flow of nitrogen through the biosphere by the processes of nitrogen fixation, ammonification (decay), nitrification, and…

concertina

(Encyclopedia) concertinaconcertinakŏnsûrtēˈnə [key], musical instrument whose tone is produced by free reeds. It was invented by Sir Charles Wheatstone in 1829. It is a chromatic instrument similar…

Coysevox, Antoine

(Encyclopedia) Coysevox, AntoineCoysevox, AntoineäNtwänˈ kwäzĕvōksˈ [key], 1640–1720, French sculptor. He enjoyed the patronage of Louis XIV and produced a great part of the sculpture at Versailles.…

Csepel

(Encyclopedia) CsepelCsepelchĕˈpĕl [key], island, c.100 sq mi (260 sq km), 30 mi (48 km) long, in the Danube, N central Hungary, just S of Budapest. In the northern section are the city and harbor of…

Grenville, William Wyndham Grenville, Baron

(Encyclopedia) Grenville, William Wyndham Grenville, Baron, 1759–1834, British statesman; youngest son of George Grenville. He was foreign secretary in the ministry of his cousin William Pitt from…

handball, team

(Encyclopedia) handball, team, or field handball, team court game. Despite its status as an Olympic sport, the game is virtually unknown in the United States. Originated in central Europe in the…

methyl

(Encyclopedia) methylmethylmĕthˈəl [key], CH3, organic free radical or alkyl group derived from methane by the removal of one hydrogen atom.

Kuyper, Abraham

(Encyclopedia) Kuyper, AbrahamKuyper, Abrahamäˈbrähäm koiˈpər [key], 1837–1920, Dutch political figure and Calvinist theologian. After holding important pastorates, he became interested in politics…

Voysey, Charles Francis Annesley

(Encyclopedia) Voysey, Charles Francis Annesley, 1857–1941, English decorator and architect. He was the first modern English architect to design houses almost free of stylistic reminiscences. He also…

port, harbor

(Encyclopedia) port, a natural or artificial harbor and its terminal facilities for the transfer of goods and passengers to or from waterborne means of transport. Port cities are located on oceans,…