Columbia Encyclopedia

Search results

232 results found

calculus of variations

(Encyclopedia)calculus of variations, branch of mathematics concerned with finding maximum or minimum conditions for a relationship between two or more variables that depends not only on the variables themselves, a...

Bouillon, Henri de La Tour d'Auvergne, vicomte de Turenne, duc de

(Encyclopedia)Bouillon, Henri de La Tour d'Auvergne, vicomte de Turenne, duc de dük də bo͞oyôNˈ [key], 1555–1623, marshal of France, diplomat, and Protestant leader. He served with Henry IV against the Cath...

pi

(Encyclopedia)pi, in mathematics, the ratio of the circumference of a circle to its diameter. The symbol for pi is π. The ratio is the same for all circles and is approximately 3.1416. It is of great importance in...

Swiss literature

(Encyclopedia)Swiss literature. The literature of Switzerland is written in German, French, Italian, and Romansh, with German predominating. The extensive literature in Romansh dialect (see Rhaeto-Romanic) is littl...

counterpoint

(Encyclopedia)counterpoint, in music, the art of combining melodies each of which is independent though forming part of a homogeneous texture. The term derives from the Latin for “point against point,” meaning ...

Old Catholics

(Encyclopedia)Old Catholics, Christian denomination established by German Catholics who separated themselves from the Roman Catholic Church when they rejected (1870) the decrees of the First Vatican Council, especi...

West, Benjamin

(Encyclopedia)West, Benjamin, 1738–1820, American historical painter who worked in England. He was born in Springfield, Pa., in a house that is now a memorial museum at Swarthmore College. After some instruction ...

Brethren

(Encyclopedia)Brethren, German Baptist religious group. They were popularly known as Dunkards, Dunkers, or Tunkers, from the German for “to dip,” referring to their method of baptizing. The Brethren evolved fro...

Leipzig

(Encyclopedia)Leipzig līpˈtsĭkh [key], city (1994 pop. 490,850), Saxony, E central Germany, at the confluence of the Pleisse, White Elster, and Parthe rivers. Originally a Slavic settlement called Lipsk, Leipz...

Anna, czarina of Russia

(Encyclopedia)Anna (Anna Ivanovna) änˈnə ĭväˈnôvnə [key], 1693–1740, czarina of Russia (1730–40), daughter of Ivan V and niece of Peter I (Peter the Great). On the death of her distant cousin, Peter II,...