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Moon, Sun Myung

(Encyclopedia)Moon, Sun Myung sŭn yŭng mo͞on [key], 1920–2012, South Korean religious leader. He was an engineering student in Japan and a dockworker before founding (1954) the Unification Church with a doctri...

parabola

(Encyclopedia)CE5 Parabola parabola pərăbˈələ [key], plane curve consisting of all points equidistant from a given fixed point (focus) and a given fixed line (directrix) (see illustration). It is the conic...

malnutrition

(Encyclopedia)malnutrition, insufficiency of one or more nutritional elements necessary for health and well-being. Primary malnutrition is caused by the lack of essential foodstuffs—usually vitamins, minerals, or...

mass number

(Encyclopedia)mass number, often represented by the symbol A, the total number of nucleons (neutrons and protons) in the nucleus of an atom. All atoms of a chemical element have the same atomic number (number of pr...

Arp, Jean

(Encyclopedia)Arp, Jean or Hans, 1887–1966, French sculptor and painter. Arp was connected with the Blaue Reiter in Munich, various avant-garde groups in Paris, including the surrealists, and the Dadaists in Zür...

Legendre, Adrien Marie

(Encyclopedia)Legendre, Adrien Marie ädrēăNˈ märēˈ ləzhäNˈdrə [key], 1752–1833, French mathematician. He is noted especially for his work on the theory of numbers, on which he wrote an essay (1798) con...

peyotism

(Encyclopedia)peyotism, religion of some Native North Americans in which the hallucinogenic peyote button is used as the sacramental food. It is the most widespread indigenous contemporary Native American religion....

casein

(Encyclopedia)casein kāˈsēn [key], well-defined group of proteins found in milk, constituting about 80% of the proteins in cow's milk, but only 40% in human milk. Casein is a remarkably efficient nutrient, suppl...

Walpole, Sir Hugh Seymour

(Encyclopedia)Walpole, Sir Hugh Seymour, 1884–1941, English novelist, b. New Zealand, educated at Cambridge. His first two novels were failures, but with Fortitude (1913) he achieved financial and literary succes...