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Peoria

(Encyclopedia) PeoriaPeoriapēôrˈēə [key]. 1 City (1990 pop. 50,618), Maricopa co., central Ariz., a suburb of Phoenix; settled 1897, inc. 1954. With the completion of the Arizona Canal in 1885, the…

Pavia

(Encyclopedia) PaviaPaviapävēˈä [key], city (1991 pop. 79,962), capital of Pavia prov., Lombardy, N Italy, on the Ticino River near its confluence with the Po. Pavia has long been an agricultural…

silica

(Encyclopedia) silica or silicon dioxide, chemical compound, SiO2. It is insoluble in water, slightly soluble in alkalies, and soluble in dilute hydrofluoric acid. Pure silica is colorless to white.…

battleship

(Encyclopedia) battleship, large, armored warship equipped with the heaviest naval guns. The evolution of the battleship, from the ironclad warship of the mid-19th cent., received great impetus from…

Nur-Sultan

(Encyclopedia) Nur-SultanNur-Sultann&oobreve;r-s&oobreve;ltänˈ [key], formerly AstanaAstanaästäˈnä [key], city (2008 est. pop. 600,000), capital of Kazakhstan, in central Kazakhstan on the…

naval architecture

(Encyclopedia) naval architecture, science of designing ships. A naval architect must consider especially the following factors: floatability, i.e., the ability of the ship to remain afloat while…

rivet

(Encyclopedia) rivet, headed metal pin or bolt whose shaft is passed through holes in two or more pieces of metal, wood, plastic, or other material in order to unite them by forming the plain end…

Szczecin

(Encyclopedia) SzczecinSzczecinshchĕˈtsēn [key], Ger. Stettin, city (1994 est. pop. 414,900), capital of Zachodniopomorskie prov., NW Poland, historical capital of the Prussian province of Pomerania…

Hagia Sophia

(Encyclopedia) Hagia SophiaHagia Sophiahäˈjə sōfēˈə, hāˈjēə, [key] [Gr.,=Holy Wisdom] or Santa Sophia, Turkish Ayasofya, originally a Christian church at Constantinople (now İstanbul, Turkey) and…

wood

(Encyclopedia) CE5 Wood A. Cross section of a woody stem B. Enlarged view, showing xylem, phloem, and cambium wood, botanically, the xylem tissue that forms the bulk of the stem of a woody plant…