Submitted by György Chityil ... on Fri, 01/19/2018 - 16:45 Hierarchy: NounDescription: {{pharmacology}} A substance, often addictive, which affects the central nervous system.Ngram: drugNgram Text: drugSource: WiktionaryIssue: 0Wiktionary tag: pharmacologyNgram Count: 1Wikokit WikiText ID: 555621