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rock music

(Encyclopedia)rock music, type of music originating in the United States in the mid-1950s and increasingly popular throughout much of the world. A turning point in rock music occurred in the mid-1970s in the ...

Cotonou

(Encyclopedia)Cotonou kōtōno͞oˈ [key], city, capital of Atlantique prov., S Benin, on the Gulf of Guinea. ...

Győr

(Encyclopedia)Győr dyör [key], Ger. Raab (räb), city (1991 est. pop. 129,598), NW Hungary, near the Slovakian border and at the confluence of the Rába and Danube rivers. Győr is a road and rail hub, a river po...

meprobamate

(Encyclopedia)meprobamate məprōˈbəmātˌ [key], tranquilizing drug that acts as a depressant of the central nervous system and is commonly used in the treatment of anxiety and sometimes schizophrenia. Although ...

Preston

(Encyclopedia)Preston, city and district (1991 pop. 166,675), county seat of Lancashire, N England, on the Ribble River. Preston has an active port and is a center of cotton and rayon manufacturing. Some mills have...

physics

(Encyclopedia)physics, branch of science traditionally defined as the study of matter, energy, and the relation between them; it was called natural philosophy until the late 19th cent. and is still known by this na...

electrochemistry

(Encyclopedia)electrochemistry, science dealing with the relationship between electricity and chemical changes. Of principal interest are the reactions that take place between electrodes and the electrolytes in ele...

distortion

(Encyclopedia)distortion, in electronics, undesired change in an electric signal waveform as it passes from the input to the output of some system or device. In an audio system, distortion results in poor reproduct...

Howlin' Wolf

(Encyclopedia)Howlin' Wolf, 1910–76, African-American blues singer and composer, b. White Station, Miss., as Chester Arthur Burnett. Exposed to blues performers from childhood, he sang locally and organized his f...

Hooker, John Lee

(Encyclopedia)Hooker, John Lee, 1917–2001, American blues singer and guitarist, b. near Clarksdale, Miss. From a cotton-sharecropping family, he learned the blues from his stepfather and various visiting Delta bl...