<p><strong>Noun</strong></p><ul><li>A white, crystalline, narcotic powder, C21H23NO5, derived from morphine, formerly used as an analgesic and sedative.</li><li>The manufacture and importation of heroin are now controlled by federal law in the U.S. because of the danger of addiction.</li><li>A syrup containing dextrose, maltose, and dextrine, obtained by the incomplete hydrolysis of starch.</li></ul><p><strong>End of Response</strong></p>