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W and Z particles

(Encyclopedia)W and Z particles, elementary particles that mediate, or carry, the fundamental force associated with weak interactions. The discovery of the W and Z particles at CERN near Geneva, Switzerland, in the...

Fès

(Encyclopedia)Fès fĕz [key], Arab. Fas, city, N central Morocco. In a rich agricultural region, it is con...

Heracleopolis

(Encyclopedia)Heracleopolis hərăkˌlēŏpˈəlĭs [key], ancient city, N Egypt, just S of El Faiyum. One of the oldest Egyptian cities, it was in existence before 3000 b.c. and was the capital (c.2155–c.2050) o...

Faliero, Marino

(Encyclopedia)Faliero or Falier, Marino märēˈnō fälyāˈrō, fälyārˈ [key], 1274–1355, doge of Venice (1354–55). As commander of Venetian forces he defeated (1346) Louis I of Hungary at Zara, and later ...

Lunda

(Encyclopedia)Lunda lo͞onˈdə [key], ethnic group of central Africa. The Lunda speak a Bantu language and now live in S Congo (Kinshasa), E Angola, and N Zambia. In the 16th cent. Lunda living near the upper Lulu...

Ghiberti, Lorenzo

(Encyclopedia)Ghiberti, Lorenzo lōrĕnˈtsō gēbĕrˈtē [key], c.1378–1455, Florentine sculptor. He received his early training in the workshop of Bartoluccio. In 1401 he entered the competition for a bronze p...

Sussex, kingdom of

(Encyclopedia)Sussex, kingdom of, one of the Anglo-Saxon heptarchy (seven kingdoms) in England, located S of the Weald. It was settled in the late 5th cent. (according to tradition in 477) by Saxons under Ælle, wh...

Liu Chih-chi

(Encyclopedia)Liu Chih-chi lyo͞o jûr-jē [key], 661–721, Chinese T'ang dynasty historian. Drawing on experience gained while working on histories of the preceding dynasties, he wrote the first important Chinese...

Sabbath

(Encyclopedia)Sabbath [Heb.,=repose], in Judaism, last day of the week (Saturday), observed as a rest day for the twenty-five hours commencing with sundown on Friday. In the biblical account of creation (Gen. 1) th...