Etymology
Advertisement

LSD

"lysergic acid diethylamide," 1950 (as LSD 25), from German LSD (1947), from letters in Lysergsäure-diäthylamid, the German form of the chemical name. For first element, see lysergic. German säure "acid" is cognate with English sour (adj.).

Others are reading

Advertisement
Advertisement
Definitions of LSD

lsd (n.)
a powerful hallucinogenic drug manufactured from lysergic acid;
Synonyms: lysergic acid diethylamide
From wordnet.princeton.edu