psychedelia
psych e de lia |ˌsīkəˈdēlyə ˌsaɪkəˈdiliə | ▶noun music, culture, or art based on the experiences produced by psychedelic drugs. ORIGIN 1960s: back-formation from psychedelic .
psychedelia |ˌsʌɪkəˈdiːlɪə | ▶noun [ mass noun ] music, culture, or art based on the experiences produced by psychedelic drugs. ORIGIN 1960s: back-formation from psychedelic .