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Fibonacci, Leonardo

(Encyclopedia)Fibonacci, Leonardo lāōnärˈdō fēbōnätˈchē [key], b. c.1170, d. after 1240, Italian mathematician, known also as Leonardo da Pisa. In Liber abaci (1202, 2d ed. 1228), for centuries a standard...

Nen, river, China

(Encyclopedia)Nen nônˈnē [key], river, 740 mi (1,191 km) long, rising in the Yilehuli (Ilkuri) Mts., N Heilongjiang prov., NE China, and flowing south along the east side of the Da Hinggan (Great Khingan) range ...

Castelo Branco, Humberto

(Encyclopedia)Castelo Branco, Humberto o͞ombĕrˈto͝o kəshtĕˈlo͝o brängˈko͝o [key], 1900–1967, president of Brazil (1964–67). An army officer, he served as chief of staff of the Brazilian army before p...

Rousseff, Dilma

(Encyclopedia)Rousseff, Dilma jēlˈmä ro͞oˈsĕf [key], 1947–, Brazilian political leader, b. Belo Horizonte. The daughter of a Bulgarian immigrant lawyer and a Brazilian teacher, she was trained as an economi...

Morales, Luis de

(Encyclopedia)Morales, Luis de mōräˈlās [key], c.1520–1586, Spanish mannerist painter. He lived and worked in Badajoz. Morales executed vivid portrayals of saints suffering and refined devotional images of t...

Peixoto, Floriano

(Encyclopedia)Peixoto, Floriano flōrēäˈnō pāshōˈtō [key], 1842–95, Brazilian marshal and statesman, president of Brazil (1891–94). He took part in the establishment of the republic and was chosen vice ...

Tiradentes

(Encyclopedia)Tiradentes tērəᵺĕnˈtəs [key], 1748–92, Brazilian patriot. His real name was José Joaquim da Silva Xavier. He gained his nickname, which means “tooth-puller,” working as a healer in his y...

Qiqihar

(Encyclopedia)Qiqihar tsēˈtsēˈhärˈ, chēˈchēˈhär [key], city (1994 est. pop. 1,104,100), S central Heilongjiang prov., China, a port on the Nen River near the Da Hinggan Mts. It is connected by rail with ...

São Tomé and Principe

(Encyclopedia)CE5 São Tomé and Principe prēnˈsēpə [key], officially Democratic Republic of São Tomé and Principe, republic (2015 est. pop. 196,000), 372 sq mi (964 sq km), W Africa, in the Gulf of Guinea...

sonata

(Encyclopedia)sonata sənäˈtə [key], in music, type of instrumental composition that arose in Italy in the 17th cent. At first the term merely distinguished an instrumental piece from a piece with voice, which w...