Columbia Encyclopedia

Search results

500 results found

scientific notation

(Encyclopedia)scientific notation, means of expressing very large or very small numbers in a compact form that is easy to use in computations. In this notation, any number is expressed as a number between 1 and 10 ...

polyhedron

(Encyclopedia)CE5 Polyhedrons polyhedron pŏlˌēhēˈdrən [key], closed solid bounded by plane faces; each face of a polyhedron is a polygon. A cube is a polyhedron bounded by six polygons (in this case squar...

inequality

(Encyclopedia)inequality, in mathematics, statement that a mathematical expression is less than or greater than some other expression; an inequality is not as specific as an equation, but it does contain informatio...

Moivre, Abraham de

(Encyclopedia)Moivre, Abraham de äbrä-ämˈdə mwäˈvrə [key], 1667–1754, French-English mathematician. He fled to England after the revocation of the Edict of Nantes. He was called upon by the Royal Society ...

Asada Goryu

(Encyclopedia)Asada Goryu äsäˈdä gôrˈyo͞o [key], 1734–99, Japanese astronomer who helped to introduce modern astronomical instruments and methods into Japan. Asada spent much of his career in the flourishi...

Murray, Henry A.

(Encyclopedia)Murray, Henry A., 1893–1988, American psychologist, b. New York City. Murray was trained in a variety of disciplines, including psychology, chemistry, and biology. He taught at Harvard (1927–62), ...

Hoogstraten, Samuel van

(Encyclopedia)Hoogstraten, Samuel van säˈmüĕl vän hōkhˈsträtən [key], 1627–78, Dutch portrait painter and etcher, studied with his father, Dirk van Hoogstraten (1596–1640), and with Rembrandt. His best...

Hicks, Sir John Richard

(Encyclopedia)Hicks, Sir John Richard, 1904–89, British economist, grad. Balliol College, Oxford, 1931. He was a professor at the Univ. of Manchester (1938–46) before joining the faculty of Oxford (1946). At th...

Fresnel, Augustin Jean

(Encyclopedia)Fresnel, Augustin Jean ōgüstăNˈ zhäN frānĕlˈ [key] 1788–1827, French physicist and engineer. He is known for his research on light, especially on conditions governing interference phenomena ...

Irnerius

(Encyclopedia)Irnerius ûrˌnērˈēəs [key], c.1055–c.1130, Italian jurist and founder of the law school (c.1088) at Bologna, which became the center of legal scholarship in Europe. Though little is known of hi...