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poison gas

(Encyclopedia)poison gas, any of various gases sometimes used in warfare or riot control because of their poisonous or corrosive nature. These gases may be roughly grouped according to the portal of entry into the ...

Windward Islands

(Encyclopedia)Windward Islands, southern group of the Lesser Antilles in the West Indies, curving generally southward for c.300 mi (480 km) from the Leeward Islands toward NE Venezuela. Excluding Barbados and Trini...

butter

(Encyclopedia)butter, dairy product obtained by churning the fat from milk until it solidifies. In most areas the milk of cows is the basis, but elsewhere that of goats, sheep, and mares has been used. Butter was k...

Boas, Franz

(Encyclopedia)Boas, Franz bōˈăz, –ăs [key], 1858–1942, German-American anthropologist, b. Minden, Germany, Ph.D. Univ. of Kiel, 1881. He joined an expedition to Baffin Island in 1883 and initiated his field...

physics

(Encyclopedia)physics, branch of science traditionally defined as the study of matter, energy, and the relation between them; it was called natural philosophy until the late 19th cent. and is still known by this na...

Mezzogiorno

(Encyclopedia)Mezzogiorno mĕtˌsōjôrˈnō [key], region of S Italy. The Mezzogiorno comprises the modern Italian regions of Abruzzi, Campania, Molise, Puglia, Basilicata, Calabria, and the islands of Sicily and ...

Moorish art and architecture

(Encyclopedia)Moorish art and architecture, branch of Islamic art and architecture developed in the westernmost lands of the Muslims, known as the Maghreb: N Africa and Spain. The Great Mosque at Al Qayrawan in Tun...

atonality

(Encyclopedia)atonality āˌtōnălˈĭtē [key], in music, systematic avoidance of harmonic or melodic reference to tonal centers (see key). The term is used to designate a method of composition in which the compo...

Aral Sea

(Encyclopedia)Aral Sea ărˈəl [key], salt lake, SW Kazakhstan and NW Uzbekistan, E of the Caspian Sea in an area of interior drainage. To the north and west are the edges of the arid Ustyurt Plateau; the Kyzyl Ku...

Hearst, William Randolph

(Encyclopedia)Hearst, William Randolph, 1863–1951, American journalist and publisher, b. San Francisco. A flamboyant, highly controversial figure, Hearst was nonetheless an intelligent and extremely competent new...