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acid

noun [U] (DRUG)
 
 
/ˈæs.ɪd/

Definition

slang for LSD (= an illegal drug that makes people see things that do not exist)Specific types of drugDrugs - general wordsSpecific medicines and drugs
(Definition of acid noun (DRUG) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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