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transition elements

(Encyclopedia)transition elements or transition metals, in chemistry, group of elements characterized by the filling of an inner d electron orbital as atomic number increases. This includes the elements from titani...

Benjamin

(Encyclopedia)Benjamin [Heb.,=son of fortune], younger son of Jacob and Rachel, eponymous ancestor of one of the 12 tribes of Israel. His mother, dying, named him Benoni bĕnōˈnī [key] [Heb.,=son of my sorrow]. ...

racquets

(Encyclopedia)racquets, game played by two or four persons on a court 60 by 30 ft (18.3 m by 9.1 m); it is surrounded by three walls 30 ft (9.1 m) high and a backwall 15 ft (4.6 m) high. The ball, 1 in. (2.54 cm) i...

humidity

(Encyclopedia)humidity, moisture content of the atmosphere, a primary element of climate. Humidity measurements include absolute humidity, the mass of water vapor per unit volume of natural air; relative humidity (...

dew

(Encyclopedia)dew, thin film of water that has condensed on the surface of objects near the ground. Dew forms when radiational cooling of these objects during the nighttime hours also cools the shallow layer of ove...

hydrogen fluoride

(Encyclopedia)hydrogen fluoride, chemical compound, HF, a colorless, fuming liquid or colorless gas that boils at 19.54℃. It is miscible with water and is soluble in benzene, toluene, and concentrated sulfuric ac...

Entrecasteaux, Joseph Antoine Bruni d'

(Encyclopedia)Entrecasteaux, Joseph Antoine Bruni d' zhôzĕfˈ äNtwänˈ bro͞onēˈ däNtrəkästōˈ [key], 1739–93, French navigator. He entered the French navy in 1754, fought (1756) at Minorca, commanded (...

Kosciuszko, Mount

(Encyclopedia)Kosciuszko, Mount kŏzēŭˈskō, kŏsho͝oshˈkō [key], 7,310 ft (2,228 m) high, SE New South Wales, Australia, in the Australian Alps; highest peak on the continent of Australia. Located in Koscius...

Wadi Halfa

(Encyclopedia)Wadi Halfa wäˈdē hălˈfə [key], town, N Sudan, on Lake Nubia (Lake Nasser). It is the terminus of a railroad from Khartoum and is the point at which cotton, wheat, livestock, and other goods are ...

Termez

(Encyclopedia)Termez tyĭrmyĕsˈ [key], city (1991 pop. 99,000), capital of Surkhandaryo region, S Uzbekistan, a port on the Amu Darya River, near the Afghanistan border. It is the center of an agricultural region...