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| alkaloid |
any of various nitrogen-containing organic bases found in plants and from which drugs such as nicotine, quinine, and morphine are made. |
| apomorphine |
a white crystalline alkaloid made from morphine, used as an expectorant and emetic. |
| heroin |
an illegal addictive narcotic made from morphine that is usu. mixed with water and taken by injection. |
| methadone |
a synthetic narcotic drug used in the treatment of heroin and morphine addiction and as a painkiller. |
| opioid |
any natural or synthetic compound, including heroin, morphine, and certain prescription pain relievers, that binds opioid receptors and has an analgesic or narcotic effect. [1/2 definitions] |
| speedball |
(slang) a mixture of cocaine and heroin or morphine, usu. injected. [1/2 definitions] |
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