from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A style of rock music of the late 1960s having a prominent repetitive beat and lyrics that suggest psychedelic experiences.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A rock music genre originating from the late 1960s, heavily inspired by or related to drug-induced experience.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a musical style that emerged in the 1960s; rock music inspired by or related to drug-induced experience


Sorry, no etymologies found.


  • San Francisco groups had been producing acid rock for several years but by 1968 a few of these groups such as the Jefferson Airplane and the Grateful Dead became famous internationally while many others such as Daily Flash and Celestial Hysteria remained San Francisco acts.

    1968 the Year that Rocked the World


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