Crossword Genius

Substance from which acid rock gets its name (3)

Ross

I believe the answer is:

lsd

(Other definitions for lsd that I've seen before include "Pounds, shillings and pence of old" , "Old money and hallucinogenic drug" .)

I've seen this clue in The Washington Post.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.