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numeration

(Encyclopedia)numeration, in mathematics, process of designating numbers according to any particular system; the number designations are in turn called numerals. In any place value system of numeration, a base numb...

Nuremberg

(Encyclopedia)Nuremberg nürnˈbĕrkˌ [key], city (1994 pop. 498,945), Bavaria, S Germany, on the Pegnitz River and the Rhine-Main-Danube Canal. One of the great historic cities of Germany, Nuremberg is now an imp...

Nurse, Sir Paul Maxime

(Encyclopedia)Nurse, Sir Paul Maxime, 1949–, British biochemist, Ph.D. Univ. of East Anglia, 1973. Nurse was associated with the Imperial Cancer Research Fund (now Cancer Research UK London Research Institute) fo...

Nüsslein-Volhard, Christiane

(Encyclopedia)Nüsslein-Volhard, Christiane,1942–, German biologist and geneticist, Ph.D. Univ. of Tübingen, 1973. Since 1985 she has been director of the genetics division of the Max Planck Institute for Develo...

Nuttall, George Henry Falkiner

(Encyclopedia)Nuttall, George Henry Falkiner nŭtˈôl [key], 1862–1937, American-British bacteriologist, b. San Francisco, M.D. Univ. of California, 1884, Ph.D. Univ. of Göttingen, 1890. In 1899 he became assoc...

Nuuanu Pali

(Encyclopedia)Nuuanu Pali no͞o–äˈno͞o päˈlē [key], sheer cliff and mountain pass, alt. 1,200 ft (366 m), Koolau Range, SE Oahu island, Hawaii. The pass is the principal route between Honolulu and E Oahu. ...

aviation

(Encyclopedia)aviation, operation of heavier-than-air aircraft and related activities. Aviation can be conveniently divided into military aviation, air transport, and general aviation. Military aviation includes al...

nux vomica

(Encyclopedia)nux vomica nŭks vŏmˈəkə [key], bitter-tasting drug obtained from the poisonous seeds of Strychnos nux-vomica, a tree that grows in Sri Lanka, India, and N Australia. The dried seeds contain stryc...

Avicenna

(Encyclopedia)Avicenna ăvĭsĕnˈə [key], Arabic Ibn Sina, 980–1037, Islamic philosopher and physician, of Persian origin, b. near Bukhara. He was the most renowned philosopher of medieval Islam and the most in...

Oahu

(Encyclopedia)Oahu ōäˈho͞o [key], island (1990 pop. 836,231), 593 sq mi (1,536 sq km), third largest and chief island of Hawaii, part of Honolulu co., between Molokai and Kauai. Oahu is composed of two parallel...