fentanyl
noun/ˈfentənl/, /ˈfentənɪl/
/ˈfentənl/, /ˈfentənɪl/
[uncountable]- a powerful opioid drug used to treat severe pain
- Fentanyl is a potent painkiller.
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fentanyl
Definition of fentanyl noun from the Oxford Advanced Learner's Dictionary