Noun
a musical style that emerged in the 1960s; rock music inspired by or related to drug-induced experience
Source: WordNetOr like in the early 70's when we had the reaction against acid rock and all the fuzz tone, and feedback, and the noise. And you had James Taylor and everyone went acoustic and that. Lester Bangs
The resulting water can be highly acidic and is called acid mine drainage (AMD) or acid rock drainage (ARD). Source: Internet
The Vietnam era had acid rock, which conveyed a generation’s anger at being used as cannon-fodder, and also a softer movement of folky, pastoral music that reflected the growing environmental movement. Source: Internet
Musical style The band's music was initially grounded in the rock of the 1960s, especially the acid rock and psychedelic rock movements. Source: Internet
Reynolds, pg. 470 The band experimented with acid rock and country and western sounds. Source: Internet
The terms "psychedelic rock" and "acid rock" are often deployed interchangeably, but "acid rock" sometimes refers to the more extreme ends of the genre. Source: Internet