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McEwan, Ian

(Encyclopedia)McEwan, Ian (Ian Russell McEwan) məkyo͞oˈən [key], 1948–, English novelist, b. Aldershot, B.A. Univ. of Sussex, 1970, M.A. Univ. of East Anglia, 1971. His early short-story collections, First Lo...

Dick, Philip K.

(Encyclopedia)Dick, Philip K. (Philip Kindred Dick), 1928–82, American science-fiction writer, b. Chicago. Dick often wrote of the psychological states of individuals caught in altered realities where the everyda...

Ericsson, John

(Encyclopedia)Ericsson, John ĕrˈĭksən [key], 1803–89, Swedish-American inventor and marine engineer, b. Värmlands co., Sweden. He moved to London in 1826, and entered the railroad locomotive Novelty in a con...

feudalism

(Encyclopedia)feudalism fyo͞oˈdəlĭzəm [key], form of political and social organization typical of Western Europe from the dissolution of Charlemagne's empire to the rise of the absolute monarchies. The term fe...

Le Châtelier's principle

(Encyclopedia)Le Châtelier's principle, chemical principle that states that if a system in equilibrium is disturbed by changes in determining factors, such as temperature, pressure, and concentration of components...

entropy

(Encyclopedia)entropy ĕnˈtrəpē [key], quantity specifying the amount of disorder or randomness in a system bearing energy or information. Originally defined in thermodynamics in terms of heat and temperature, e...

Robbins, Lionel Charles

(Encyclopedia)Robbins, Lionel Charles, 1898–1984, British economist, b. Middlesex, England. A professor at the London School of Economics (1929–61), he wrote the well-known methodological treatise, An Essay in ...

fluidics

(Encyclopedia)fluidics, branch of engineering and technology concerned with the development of equivalents of various electronic circuits using movements of fluid rather than movements of electric charge. The basic...

liquor laws

(Encyclopedia)liquor laws, legislation designed to restrict, regulate, or totally abolish the manufacture, sale, and use of alcoholic beverages. The passage of liquor laws has been prompted chiefly by the desire to...

axiom

(Encyclopedia)axiom, in mathematics and logic, general statement accepted without proof as the basis for logically deducing other statements (theorems). Examples of axioms used widely in mathematics are those relat...