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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...suite
(Encyclopedia)suite swēt [key], in music, instrumental form derived from dance and consisting of a series of movements usually in the same key but contrasting in rhythm and mood. The principle of the suite can be ...theosophy
(Encyclopedia)theosophy thēŏsˈəfē [key] [Gr.,=divine wisdom], philosophical system having affinities with mysticism and claiming insight into the nature of God and the world through direct knowledge, philosoph...folklore
(Encyclopedia)folklore, the body of customs, legends, beliefs, and superstitions passed on by oral tradition. It includes folk dances, folk songs, folk medicine (the use of magical charms and herbs), and folktales ...Mendelssohn, Felix
(Encyclopedia)Mendelssohn, Felix (Jakob Ludwig Felix Mendelssohn) mĕnˈdəlsən, Ger. yäˈkôp lo͝otˈvĭkh fāˈlĭks mĕnˈdəls-zōnˌ [key], 1809–47, German composer; grandson of the Jewish philosopher Mos...Easter Island
(Encyclopedia)Easter Island, Span. Isla de Pascua, Polynesian Rapa Nui, remote island (2020 est. pop. 5,000), 66 sq mi (171 sq km), in the South Pacific, c.2,200 ...Regensburg
(Encyclopedia)Regensburg rāˈgənsbo͝orkh [key], city (1994 pop. 125,337), Bavaria, SE Germany, a port at the confluence of the Danube (Donau) and Regen rivers. In English it is known as Ratisbon. The city is a c...prion
(Encyclopedia)prion prēˈŏn [key], abnormal form of a protein found in mammals, now generally believed to cause a group of diseases known as prion diseases or transmissible spongiform encephalopathies, which are ...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...thorium
(Encyclopedia)thorium thôrˈēəm [key] [from Thor], radioactive chemical element; symbol Th; at. no. 90; mass number of most stable isotope 232; m.p. about 1,750℃; b.p. about 4,790℃; sp. gr. 11.7 at 20℃; va...Browse by Subject
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