Definition of LSD in English:

Share this entry


Pronunciation: /ɛlɛsˈdiː/


[mass noun]
A synthetic crystalline compound, lysergic acid diethylamide, which is a powerful hallucinogenic drug.
  • Chemical formula: C20H26N2O.


1950s: abbreviation.

For editors and proofreaders

Line breaks: LSD

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.