Main Entry: LSD

Pronunciation: \ˌel-(ˌ)es-ˈdē\

Function: noun

Etymology: German Lysergsäure-Diäthylamid lysergic acid diethylamide

Date: 1950

: a semisynthetic illicit organic compound C₂₀H₂₅N₃O derived from ergot that induces extreme sensory distortions, altered perceptions of reality, and intense emotional states, that may also produce delusions or paranoia, and that may sometimes cause panic reactions in response to the effects experienced —called also lysergic acid diethylamide