anaesthetic
[ˌanɪsˈθɛtɪk](美 anesthetic)
noun
a substance that induces insensitivity to pain
麻醉剂(anaesthetics)[treated as sing.]the study or practice of anaesthesia
麻醉术
adjectiveinducing or relating to insensitivity to pain
麻醉的
语源mid 19th cent.: from Greek anaisthētos 'insensible', related to anaisthēsia (see anaesthesia), + -ic