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Lanzhou

(Encyclopedia)Lanzhou or Lanchow both: länˈjōˈ [key], city (1994 est. pop. 1,295,600), capital of Gansu prov., W China, on the Huang He (Yellow River) at its confluence with the Wei. It is a rail, highway, and ...

Arezzo

(Encyclopedia)Arezzo ärĕtˈtsō [key], city, capital of Arezzo prov., Tuscany, central Italy. It is an agricultural trade center and has machine, clothing, gold, and jewelry industrie...

rosin

(Encyclopedia)rosin or colophony, hard, brittle, translucent resin, obtained as a solid residue from crude turpentine. Usually pale yellow or amber, its color may vary from brownish-black to transparent depending o...

Ryle, Gilbert

(Encyclopedia)Ryle, Gilbert, 1900–1976, British philosopher. A graduate of Oxford, he became a tutor at Christ Church, Oxford, and later was Waynflete professor of metaphysical philosophy (1945–68) there. From ...

Barnard, Christiaan Neethling

(Encyclopedia)Barnard, Christiaan Neethling krĭsˈtēänˌ nāˈᵺĭng bärˈnərd [key], 1922–2001, South African surgeon. The son of a Dutch Reformed minister, Barnard studied medicine at the Univ. of Cape To...

felt

(Encyclopedia)felt, fabric made by matting or felting together wool, hair, or fur, most of which have a natural tendency to snarl or cling together owing to their notched or scaly surfaces. Processes of manufacture...

Tula , city, Russia

(Encyclopedia)Tula to͞oˈlə [key], city (1991 pop. 545,000), capital of Tula region, N central European Russia, on the Upa River, a tributary of the Oka. It is an important rail and highway hub and a manufacturin...

Pasco

(Encyclopedia)Pasco păsˈkō [key], city (1990 pop. 20,337), seat of Franklin co., SE Wash., on the Columbia River near its confluence with the Snake and Yakima rivers. It is a trade and shipping center for the Co...

Hooke, Robert

(Encyclopedia)Hooke, Robert ho͝ok [key], 1635–1703, English physicist, mathematician, and inventor. He became curator of experiments for the Royal Society (1662), professor of geometry at Gresham College (1665),...

Kantrowitz, Adrian

(Encyclopedia)Kantrowitz, Adrian kănˈtrəwĭtsˌ [key], 1918–2008, American surgeon, b. New York City, grad. New York Univ. (1940). The son of a physician, Kantrowitz received his M.D. from the Long Island Coll...