heroin
playSimple Definition of heroin
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: a powerful illegal drug that is made from morphine
Full Definition of heroin
: a strongly physiologically addictive narcotic C21H23NO5 that is made by acetylation of but is more potent than morphine and that is prohibited for medical use in the United States but is used illicitly for its euphoric effects
Related to heroin
Origin and Etymology of heroin
from Heroin, a trademark
First Known Use: 1898
HEROIN Defined for Kids
heroin
playDefinition of heroin for Students
: a very harmful illegal drug that is highly addictive and is made from morphine
Medical Dictionary
heroin
playMedical Definition of heroin
: a strongly physiologically addictive narcotic C21H23NO5 that is made by acetylation of but is more potent than morphine and that is prohibited for medical use in the United States but is used illicitly for its euphoric effects—called also acetomorphine, diacetylmorphine, diamorphine
Learn More about heroin
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Spanish Central: Translation of heroin Nglish: Translation of heroin for Spanish speakers Britannica English: Translation of heroin for Arabic speakers Britannica.com: Encyclopedia article about heroin
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