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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 (...

check

(Encyclopedia)check or cheque, bill of exchange (see draft) drawn upon a bank or trust company or broker connected with a clearinghouse (see clearing). Upon presentation of a check, the bank or other drawee pays ca...

Euclid, Greek mathematician

(Encyclopedia)Euclid yo͞oˈklĭd [key], fl. 300 b.c., Greek mathematician. Little is known of his life other than the fact that he taught at Alexandria, being associated with the school that grew up there in the l...

reading, mental process

(Encyclopedia)reading, process of mentally interpreting written symbols. Facility in reading is an essential factor in educational progress, and instruction in this basic skill is a primary purpose of elementary ed...

Cartier, Jacques

(Encyclopedia)Cartier, Jacques kärtyāˈ [key], 1491–1557, French navigator, first explorer of the Gulf of St. Lawrence and discoverer of the St. Lawrence River. He made three voyages to the region, the first t...

Calder, Alexander

(Encyclopedia)Calder, Alexander kôlˈdər [key], 1898–1976, American sculptor, b. Philadelphia; son of Alexander Stirling Calder and grandson of Alexander Mine Calder, prominent sculptors. Among the most innovat...

Lateran Treaty

(Encyclopedia)Lateran Treaty, concordat between the Holy See and the kingdom of Italy signed in 1929 in the Lateran Palace, Rome, by Cardinal Gasparri for Pius XI and by Benito Mussolini for Victor Emmanuel III. On...

molding

(Encyclopedia)CE5 Moldings molding, in architecture, furniture, and decorative objects, a surface or group of surfaces of projecting or receding contours. A molding may serve as a defining element, terminating ...

McNamara, Robert Strange

(Encyclopedia)McNamara, Robert Strange măkˈnəmârˌə [key], 1916–2009, U.S. secretary of defense (1961–68), b. San Francisco, grad Univ. of California, Berkeley (B.A., 1937), Harvard (M.B.A., 1939). He taug...

Koštunica, Vojislav

(Encyclopedia)Koštunica, Vojislav voiˈsläv kôshto͞oˈnētsä [key], 1944–, Serbian politician, president of Yugoslavia (2000–3) and prime minister of Serbia (2004–8) b. Belgrade. A constitutional lawyer ...