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fraction

(Encyclopedia)fraction [Lat.,=breaking], in arithmetic, an expression representing a part, or several equal parts, of a unit. When fractions having the same denominator, as 3⁄10 and 4⁄10, are added, only the ...

Internet, the

(Encyclopedia)Internet, the, international computer network linking together thousands of individual networks at military and government agencies, educational institutions, nonprofit organizations, industrial and f...

atom

(Encyclopedia)CE5 Bohr-Rutherford atom CE5 Probability distribution of the electron in the hydrogen atom: A. Ground state B. Highly excited state atom [Gr.,=uncuttable (indivisible)], basic unit of matte...

Carmichael, Hoagy

(Encyclopedia)Carmichael, Hoagy hōˈgē [key] (Hoagland Howard Carmichael), 1899–1981, American songwriter, pianist, and singer, b. Bloomington, Ind. While still a student at Indiana Univ. he was influenced by a...

bookplate

(Encyclopedia)bookplate, label pasted in a book to indicate ownership, also called ex libris [Lat.,=from the books of]. The bookplate is usually of paper on which heraldic or other designs are engraved or printed. ...

Adler, Cyrus

(Encyclopedia)Adler, Cyrus ădˈlər [key], 1863–1940, American Jewish educator, grad. Univ. of Pennsylvania, 1883, Ph.D. Johns Hopkins, 1887. He taught Semitic languages at Johns Hopkins from 1884 to 1893. He wa...

Bartolommeo di Pagholo del Fattorino, Fra

(Encyclopedia)Bartolommeo di Pagholo del Fattorino, Fra frä bärtōlōmĕˈō dē päˈgōlō dĕl fätˌtōrēˈnō [key], 1475–1517, Italian painter, also called Baccio della Porta. Under the influence of Savo...

ring, mathematical system

(Encyclopedia)ring, in mathematics, system consisting of a set R of elements and two binary operations, such that addition makes R a commutative group and multiplication is associative and distributes over addition...

Bell, John Joy

(Encyclopedia)Bell, John Joy, 1871–1934, Scottish author. He wrote a number of humorous stories and plays, frequently in dialect, of life in Glasgow, but is best remembered for his story Wee Macgreegor (1902). ...

Madison Heights

(Encyclopedia)Madison Heights, city (1990 pop. 32,196), Oakland co., SE Mich., a suburb of Detroit; inc. 1955. With the decline of the regional auto industry, the city has become a technology center for companies f...