ALL meanings of heroin
her·o·in
H h - noun heroin A highly addictive analgesic drug derived from morphine, often used illicitly as a narcotic producing euphoria. 1
- noun heroin narcotic drug 1
- noun heroin a white, crystalline, narcotic powder, C 21 H 23 NO 5 , derived from morphine, formerly used as an analgesic and sedative: manufacture and importation of heroin are now controlled by federal law in the U.S. because of the danger of addiction. 1
- uncountable noun heroin Heroin is a powerful drug which some people take for pleasure, but which they can become addicted to. 0
- noun heroin a white odourless bitter-tasting crystalline powder related to morphine: a highly addictive narcotic. Formula: C21H23NO5 0
- noun heroin a white, crystalline powder, an acetyl derivative of morphine, C17H17NO(C2H3O2)2: it is a very powerful, habit-forming narcotic whose manufacture and import are prohibited in the U.S. 0