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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Heroína

Heroin (HAYR-uh-win)
A substance made from morphine. Heroin is very addictive and it is illegal to use or sell it in the United States. It is a type of opiate.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.