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Encyclopédie

(Encyclopedia)Encyclopédie äNsēklôpādēˈ [key], the work of the French Encyclopedists, or philosophes. The full title was Encyclopédie; ou, Dictionnaire raisonné des sciences, des arts, et des métiers. Thi...

Kornberg, Roger David

(Encyclopedia)Kornberg, Roger David, 1947–, American biochemist, b. St. Louis, Mo., Ph.D. Stanford, 1972; son of Arthur Kornberg. Kornberg held academic posts at Cambridge (1972–76) and Harvard (1976–78) befo...

Hofmann, August Wilhelm von

(Encyclopedia)Hofmann, August Wilhelm von ouˈgo͝ost vĭlˈhĕlm fən hôfˈmän [key], 1818–92, German organic chemist. He was professor at the Univ. of Berlin from 1865 and was a founder (1868) of the German C...

dispersion, in chemistry

(Encyclopedia)dispersion, in chemistry, mixture in which fine particles of one substance are scattered throughout another substance. A dispersion is classed as a suspension, colloid, or solution. Generally, the par...

Prelog, Vladimir

(Encyclopedia)Prelog, Vladimir vlädyēˈmĭr prāˈlôg [key], 1906–98, Swiss chemist, b. Sarejevo, Austria-Hungary (now in Bosnia and Herzegovina). Educated in Prague, he worked in Yugoslavia until the German i...

paraffin

(Encyclopedia)paraffin, white, more-or-less translucent, odorless, tasteless, waxy solid. It melts between 47℃ and 65℃ and is insoluble in water but soluble in ether, benzene, and certain esters. Paraffin is un...

radium

(Encyclopedia)radium rāˈdēəm [key] [Lat. radius=ray], radioactive metallic chemical element; symbol Ra; at. no. 88; mass number of most stable isotope 226; m.p. 700℃; b.p. 1,140℃; sp. gr. about 6.0; valence...

Cunningham, Allan

(Encyclopedia)Cunningham, Allan, 1784–1842, Scottish author. His collection of The Songs of Scotland, Ancient and Modern (4 vol., 1825) included his own “A Wet Sheet and a Flowing Sea,” one of the best-known ...

Exeter Book

(Encyclopedia)Exeter Book, manuscript volume of Old English religious and secular poetry, of various dates of composition, compiled c.975 and given to Exeter Cathedral by Bishop Leofric (d. 1072). See edition by G...

Frazer, Sir James George

(Encyclopedia)Frazer, Sir James George, 1854–1941, Scottish classicist and anthropologist, b. Glasgow, educated at the universities of Glasgow and Cambridge. He is known especially for his masterpiece, The Golden...