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public relations

(Encyclopedia) public relations, activities and policies used to create public interest in a person, idea, product, institution, or business establishment. By its nature, public relations is devoted…

North Rhine–Westphalia

(Encyclopedia) North Rhine–WestphaliaNorth Rhine–Westphalianôrth rīn-wĕstfālˈyə [key], Ger. Nordrhein-WestfalenNorth Rhine–Westphalianôrtˈrīn-vĕstˌfäˈlən [key], state (1994 pop. 17,759,000), 13,111…

uric acid

(Encyclopedia) uric aciduric acidy&oobreve;rˈĭk [key], white, odorless, tasteless crystalline substance formed as a result of purine degradation in man, other primates, dalmatians, birds, snakes…

Fluxus

(Encyclopedia) Fluxus , an international art movement of the late 1950s-‘60s that emphasized process over finished product and interdisciplinary work…

firefly

(Encyclopedia) firefly or lightning bug, small, luminescent, carnivorous beetle of the family Lampyridae. Fireflies are well represented in temperate regions, although the majority of species are…

gout

(Encyclopedia) gout, condition that manifests itself as recurrent attacks of acute arthritis, which may become chronic and deforming. It results from deposits of uric acid crystals in connective…

tyrosine

(Encyclopedia) CE5 tyrosinetyrosinetīˈrəsēn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer appears in mammalian protein. It is not…

uncertainty principle

(Encyclopedia) uncertainty principle, physical principle, enunciated by Werner Heisenberg in 1927, that places an absolute, theoretical limit on the combined accuracy of certain pairs of simultaneous…

marketing

(Encyclopedia) marketing, in economics, that part of the process of production and exchange that is concerned with the flow of goods and services from producer to consumer. In popular usage it is…

probability

(Encyclopedia) probability, in mathematics, assignment of a number as a measure of the “chance” that a given event will occur. There are certain important restrictions on such a probability measure.…