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Dacron

(Encyclopedia) DacronDacrondāˈkrŏn, dăkˈrŏn [key], trademark for a polyester fiber. Dacron is a condensation polymer obtained from ethylene glycol and terephthalic acid. Its properties include high…

Phaëthon

(Encyclopedia) PhaëthonPhaëthonfāˈəthən, –tən [key] or PhaëtonPhaëtonfāˈətən [key], in Greek mythology, son of Helios and the nymph Clymene. He tried to drive his father's golden chariot, but he…

Mello, Craig Cameron

(Encyclopedia) Mello, Craig Cameron, 1960–, American geneticist, b. New Haven, Conn., Ph.D. Harvard, 1990. Mello has been on the faculty at the Univ. of Massachusetts since 1994. In 2006 Mello and…

Marianao

(Encyclopedia) MarianaoMarianaomäryänäˈō [key], municipality (1982 est. pop. 130,000), Ciudad de La Habana prov., W Cuba, a commercial and residential suburb of Havana. Marianao encloses the military…

Leo I, Byzantine emperor

(Encyclopedia) Leo I, d. 474, Byzantine or East Roman emperor (457–74). Chosen by the senate to succeed Marcian, he sought to counteract the preponderance of Germans in the Roman army by enlisting…

Luleå

(Encyclopedia) LuleåLuleålüˈləōˌ [key], city (1990 pop. 42,730), capital of Norrbotten co., NE Sweden, a port on the Gulf of Bothnia at the mouth of the Luleälv River. Although its harbor is icebound…

Eaton, Dorman Bridgman

(Encyclopedia) Eaton, Dorman Bridgman, 1823–99, American reformer, b. Hardwick, Vt. He was a law partner of William Kent in New York City. His major interests were reform in municipal administration…

Ragnarok

(Encyclopedia) RagnarokRagnarokrägˈnərŏkˌ [key], in Norse mythology, the doom of the gods. According to prophecy the end of the world would follow a severe ice age, in which human civilization would…

Robinson, Joan Violet

(Encyclopedia) Robinson, Joan Violet, 1903–83, British economist, b. Surrey, England. A socialist, she worked with Keynes and taught at Cambridge (1931–71). Her treatise, The Economics of Imperfect…

Park City

(Encyclopedia) Park City, town (1990 pop. 4,468), Summit co., N central Utah, in the Wasatch Range. A former mining town whose silver and other deposits were mined out, it was a nearly ghost town by…