anaestheticnoun [ U or C ]
mainly UK US usually anesthetic uk/ˌæn.əsˈθet.ɪk/us/ˌæn.əsˈθet̬.ɪk/a substance that makes you unable to feel pain:
The operation is performed under anaesthetic.
 The procedure is carried out under local anaesthetic (= a substance that makes you unable to feel pain in part of your body).
 I've never had a general anaesthetic (= a substance that makes you unconscious so you do not feel pain).
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Medicines & drugs
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