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noun
A drug or chemical substance whose possession and use are controlled by law.
is a specific kind of: drug.
is a broader term that covers: cannabis, ganja, marihuana, marijuana | club drug | hard drug | LSD, lysergic acid diethylamide | chalk, chicken feed, crank, deoxyephedrine, glass, ice, meth, methamphetamine, methamphetamine hydrochloride, Methedrine, shabu, trash | opium.
Find more on controlled substance elsewhere: etymology - rhymes - Wikipedia.
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