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stratigraphy

(Encyclopedia)stratigraphy, branch of geology specifically concerned with the arrangement of layered rocks (see stratification). Stratigraphy is based on the law of superposition, which states that in a normal sequ...

Wells-Barnett, Ida Bell

(Encyclopedia)Wells-Barnett, Ida Bell, 1862–1931, African-American civil-rights advocate and feminist, b. Holly Springs, Miss. Born a slave, she attended a freedman's school and was orphaned at 16. She moved (188...

Thomson, Sir Joseph John

(Encyclopedia)Thomson, Sir Joseph John, 1856–1940, English physicist. From 1884 to 1919 he was Cavendish professor of experimental physics at Cambridge. J. J. Thomson was one of the founders of modern physics. Wi...

quantum field theory

(Encyclopedia)quantum field theory, study of the quantum mechanical interaction of elementary particles and fields. Quantum field theory applied to the understanding of electromagnetism is called quantum electrodyn...

Pluto, in astronomy

(Encyclopedia)Pluto, in astronomy, a dwarf planet and the first Kuiper belt, or transneptunian, object (see comet) to be discovered (1930) by astronomers. Pluto has an elliptical orbit usually lying beyond that of ...

Cornbury, Edward Hyde, Viscount

(Encyclopedia)Cornbury, Edward Hyde, Viscount kôrnˈbərē [key], 1661–1723, colonial governor of New York and New Jersey (1702–8). Appointed governor by William III, he became extremely unpopular, and his adm...

Hamilton, Anthony

(Encyclopedia)Hamilton, Anthony, 1646?–1720, French author of Scottish descent, b. Ireland. He spent much time in France, where he became a master of the French language. He fought in the Dutch Wars for Louis XIV...

Grahame, Kenneth

(Encyclopedia)Grahame, Kenneth grāˈəm [key], 1859–1931, English author. He was a secretary in the Bank of England from 1908 until 1918. His works, noted for their humor and charm, include The Golden Age (1895)...

Juliana of Norwich

(Encyclopedia)Juliana of Norwich nôrˈĭch [key], d. c.1443, English religious writer, an anchoress, or hermit, of Norwich called Mother (or Dame) Juliana or Julian. Her work, completed c.1393, Revelations of Divi...

nursery rhymes

(Encyclopedia)nursery rhymes, verses, generally brief and usually anonymous, for children. The best-known examples are in English and date mostly from the 17th cent. A popular type of rhyme is used in “counting-o...