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Lutsk

(Encyclopedia)Lutsk lo͝otsk [key] Pol. Łuck, city (1989 pop. 198,000), capital of Volyn region (see Volhynia), Ukraine, a port on the Styr River. Its industries produce scientific instruments, food products, and ...

Maury, Matthew Fontaine

(Encyclopedia)Maury, Matthew Fontaine fŏntānˈ môrˈē [key], 1806–73, American hydrographer and naval officer, b. near Fredericksburg, Va. Appointed a midshipman in 1825, he saw varied sea duty until a stagec...

psychrometer

(Encyclopedia)psychrometer sīkrŏmˈĭtər [key], one of many instruments used for measuring the water vapor content or relative humidity of the atmosphere. It consists of two identical thermometers—the wet-bulb...

Gardiner, Sir John Eliot

(Encyclopedia)Gardiner, Sir John Eliot, 1943–, English conductor, studied King's College, Cambridge, and with Nadia Boulanger in Paris. Known particularly for performances of baroque music on period instruments, ...

particle detector

(Encyclopedia)CE5 Particle detector—Bubble chamber: A. Pressure drops as piston is raised; B. Charged particles passing through chamber ionize atoms in liquid; C. Bubbles form around atoms and form visible tra...

Middletown, cities, United States

(Encyclopedia)Middletown. 1 Industrial city (1990 pop. 42,762), Middlesex co., central Conn., on the west bank of the Connecticut River; settled 1650, inc. 1784, town and city consolidated 1923. Its manufactures in...

money-market fund

(Encyclopedia)money-market fund, type of mutual fund that invests in high-yielding, short-term money-market instruments, such as U.S. government securities, commercial paper, and certificates of deposit. Returns of...

musicology

(Encyclopedia)musicology, systematized study of music and musical style, particularly in the realm of historical research. The scholarly study of music of different historical periods was not practiced until the 18...

mast

(Encyclopedia)mast, large metal or timber pole secured vertically or nearly vertically in a ship, used primarily for supporting sails and rigging. The mast is as old as sailing vessels, and the oldest sailboats dep...

Saarbrücken

(Encyclopedia)Saarbrücken zärˌbrükˈən [key], Fr. Sarrebruck, city (1994 pop. 190,902), capital of Saarland, W Germany, on the Saar River near the French border. It is the leading industrial center of the Saar...