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collateral

(Encyclopedia)collateral kəlătˈərəl [key], something of value given or pledged as security for payment of a loan. Collateral consists usually of financial instruments, such as stocks, bonds, and negotiable pap...

Amati

(Encyclopedia)Amati ämäˈtē [key], Italian family of violinmakers of Cremona. The founder of the Cremona school was Andrea Amati (c.1520–c.1578), whose earliest violins date from c.1564. His labels bore the na...

Hounslow

(Encyclopedia)Hounslow hounzˈlō [key], outer borough of Greater London, SE England, on the Thames River. ...

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),...

lyre

(Encyclopedia)lyre, generic term for stringed musical instruments having a sound box from which project curved arms joined by a crossbar. The strings are stretched between the crossbar and the sound box and are plu...

kettledrum

(Encyclopedia)kettledrum, in music, percussion instrument consisting of a hemispherical metal vessel over which a membrane is stretched, played with soft-headed wooden drumsticks. Of ancient origin, it appeared ear...

Partch, Harry

(Encyclopedia)Partch, Harry, 1901–74, American composer, b. Oakland, Calif. Highly individualistic and largely self-taught, Partch rejected many of the traditions of Western music. He developed a theory of “cor...

Waltham

(Encyclopedia)Waltham wôlˈthăm, –thəm [key], city (1990 pop. 57,878), Middlesex co., E Mass., a suburb of Boston, on the Charles River; settled c.1634, set off from Watertown 1738, inc. as a city 1884. It is ...

Yerkes Observatory

(Encyclopedia)Yerkes Observatory, astronomical observatory located in Williams Bay, Wis., on the shore of Lake Geneva. It was founded in 1892 with funds provided by Charles T. Yerkes and its first director was Geor...

White Horse, Vale of the

(Encyclopedia)White Horse, Vale of the, district (1991 pop. 109,200), Oxfordshire, S central England. The vale is the valley of the Ock River. Abingdon is the administrative seat. Surgical instruments and automobil...