rock-'n'-roll music characterized by loud electronic distortions and strident lyrics that refer to drug-induced experiences.
Origin of acid rock
First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a type of rock music characterized by electronically amplified bizarre instrumental effects
Word Origin for acid rock
C20: from acid (sense 3), alluding to its supposed inspiration by drug-induced states of consciousness
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012