psychedelia

[sahy-ki-deel-yuh, -del-yuh]

noun

the realm or artifacts of psychedelic drugs, art, writings, or the like.

Origin of psychedelia

An Americanism dating back to 1965–70; psychedel(ic) + -ia

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for psychedelia

psychedelia

noun

(functioning as singular or plural) psychedelic objects, dress, music, etc

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

Word Origin and History for psychedelia

1967, from psychedelic + -ia.