单词 | fentanyl |
释义 | fentanyl/ˈfɛntənʌɪl![]() noun [mass noun] Medicine A synthetic opiate drug which is a powerful painkiller and tranquillizer.Opiates, including morphine and fentanyl, are powerful painkillers and anesthetics, but they also can slow a person's breathing to a dangerous rate....
Origin1960s: apparently from fen- (representing phen-) + -t- + an- + -yl. |
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