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/ælˈfɛn.təˌnɪl/ · noun
(pharmacology) A synthetic short-acting opioid with analgesic and local anesthesia enhancing activity..
Use alfentanil when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Alfentanil means (pharmacology) A synthetic short-acting opioid with analgesic and local anesthesia enhancing activity..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use alfentanil where its definition matches the intended context.
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