heroin
/hɛəɹoʊ.ɪn/ noun B2- A powerful and addictive drug derived from opium producing intense euphoria, classed as an illegal narcotic in most of the world.
Plural heroins
Learn heroin in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.