noun
acid
The hallucinogenic drug LSD.
The documentary examines how acid influenced the psychedelic movement.
Etymology
Latin acidus meant sour, the quality behind the chemical term acid. LSD is lysergic acid diethylamide; shortening that chemical name supplied this informal name for the drug.
More examples
- He described a frightening experience after taking acid.
- The witness said the tablets contained acid.
- The novel's narrator recalls experimenting with acid in college.
Similar words
- LSD
- The standard abbreviated name rather than the slang term.
- hallucinogen
- Names the broader class of perception-altering drugs.