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Sörensen, Sören Peter Lauritz

(Encyclopedia)Sörensen, Sören Peter Lauritz söˈrən pēˈtər louˈrēts söˈrənsən [key], 1868–1939, Danish biochemist. In 1899 he received a Ph.D. degree in Copenhagen. Sörensen was director of chemistr...

watt

(Encyclopedia)watt [for James Watt], abbr. W, unit of power, or work done per unit time, equal to 1 joule per second. It is used as a measure of electrical and mechanical power. One watt is the amount of power that...

polymer

(Encyclopedia)CE5 A. Addition polymerization: Two ethylene molecules, C2H4, combine to form two links in the polyethylene chain molecule (C2H4)n. B. Condensation polymerization: Two glycine molecules, NH2CH2COOH...

Togoland

(Encyclopedia)Togoland tōˈgō [key], historic region (c.33,500 sq mi/86,800 sq km), W Africa, bordering on the Gulf of Guinea in the south. The western section of Togoland is now part of Ghana, and the eastern po...

Chalon-sur-Saône

(Encyclopedia)Chalon-sur-Saône shălôNˈ-sür-sōn [key], town, Saône-et-Loire dept., E central France, in Burgundy, ...

Digne

(Encyclopedia)Digne -lā-băNˈ [key], city, capital of Alpes-de-Haute, Provence dept., SE France, in Prove...

polystyrene

(Encyclopedia)polystyrene pŏlˌēstīˈrēn [key], widely used plastic; it is a polymer of styrene. Polystyrene is a colorless, transparent thermoplastic that softens slightly above 100℃ (212℉) and becomes a v...

printer

(Encyclopedia)printer, device that reproduces text, images, or other data from a computer, digital camera, smartphone, or the like on paper or another medium. Impact printers, which mostly have been superseded by i...

pound

(Encyclopedia)pound, abbr. lb, unit of either mass or force in the customary system of English units of measurement. Two different pounds of mass are defined, one in the avoirdupois system of units and one in the T...

hundred

(Encyclopedia)hundred, in English history, a subdivision of a shire, first mentioned in the 10th cent. and surviving as a unit of local government into the 19th cent. It is thought that in origin the hundred compri...