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Khalifa bin Hamad al-Thani

(Encyclopedia)Khalifa bin Hamad al-Thani, 1932–2016, emir of Qatar (1972–95). Khalifa was the son of Hamad bin Abdullah al-Thani, the second emir's heir apparent, but Hamad died (1948) before the emir. During t...

Mattei, Enrico

(Encyclopedia)Mattei, Enrico ānrēˈkō mät-tāˈ [key], 1906–62, Italian public administrator. After World War II he was given the task of dismantling the Italian Petroleum Agency, a Fascist state enterprise. ...

mercuric chloride

(Encyclopedia)mercuric chloride or mercury (II) chloride, chemical compound, HgCl2, a white powder of colorless rhombohedral crystals, somewhat soluble in water. It is also called bichloride of mercury or corrosive...

King of Prussia

(Encyclopedia)King of Prussia, industrialized suburban area (1990 pop. 18,406), Montgomery co., SE Pa. It has glass and steel fabricating, food processing, printing and publishing, and varied manufacturing (textile...

Yarmouth, town, England

(Encyclopedia)Yarmouth. 1 Town, Isle of Wight, S England. It is a small port and resort. The castle there was built by Henry VIII. 2 Officially Great Yarmouth, city (1991 pop. 54,777) and district, Norfolk, E Engla...

Thibodaux

(Encyclopedia)Thibodaux tĭbˈədō [key], city (1990 pop. 14,035), seat of Lafourche parish, SE La., on Bayou Lafourche; inc. 1838. It is the commercial center of an oil, gas, sugarcane, and farm area in bayou cou...

marine engine

(Encyclopedia)marine engine, machine for the propulsion of watercraft. The earliest marine power plants, reciprocating steam engines, were used almost exclusively until the early 1900s. In later ship construction t...

Tymoshenko, Yulia Volodymyrivna

(Encyclopedia)Tymoshenko, Yulia Volodymyrivna, 1960–, Ukrainian political leader, prime minister of Ukraine (2005, 2007–10), b. Dnipro (Dnipropetrovsk). She studied economics and cybernetics at Dnipropetrovsk S...

galaxy

(Encyclopedia)CE5 Hubble classification of galaxies: Elliptical galaxies (E) are classified according to the degree of flattening of the ellipse. Spiral galaxies (S) and barred spiral galaxies (SB) are classifie...

sulfuric acid

(Encyclopedia)sulfuric acid, chemical compound, H2SO4, colorless, odorless, extremely corrosive, oily liquid. It is sometimes called oil of vitriol. Although sulfuric acid is now one of the most widely used c...