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lyric

(Encyclopedia)lyric, in ancient Greece, a poem accompanied by a musical instrument, usually a lyre. Although the word is still often used to refer to the songlike quality in poetry, it is more generally used to ref...

vibration

(Encyclopedia)vibration, in physics, commonly an oscillatory motion—a movement first in one direction and then back again in the opposite direction. It is exhibited, for example, by a swinging pendulum, by the pr...

curfew

(Encyclopedia)curfew [O.Fr.,=cover fire], originally a signal, such as the ringing of a bell, to damp the fire, extinguish all lights in the dwelling, and retire for the night. The custom originated as a precaution...

Banks, Thomas

(Encyclopedia)Banks, Thomas, 1735–1805, English neoclassical sculptor, studied at the Royal Academy. A traveling scholarship enabled him to study in Rome from 1772 to 1779. In 1781 he went to Russia, where Cather...

Loughborough

(Encyclopedia)Loughborough lŭfˈbərə [key], town (1991 pop. 44,895), Leicestershire, central England, on the Soar River. It is a market town with engineering works. Manufactures include hosiery, shoes, pharmaceu...

ILAS

(Encyclopedia)ILAS, instrument low-approach system: see instrument-landing system. ...

voice, sound produced by living beings

(Encyclopedia)voice, sound produced by living beings. The source of the sound in human speaking and singing is the vibration of the vocal cords, which are inside the larynx, and the production of the sounds is call...

triangle , in music

(Encyclopedia)triangle, in music, percussion instrument consisting of a steel rod bent into a triangle, open at one angle, and struck with a steel rod. Only since the end of the 18th cent. has it been an orchestral...