anaesthesiology
noun [ U ] medical mainly UK specialized (US usually anesthesiology) uk/æn.əsˌθiː.ziˈɒl.ə.dʒi/ us/ˌæn.əsˌθiː.ziˈɑː.lə.dʒi/
麻醉学
the science and practice of giving anaesthetics (= substances to stop patients feeling pain, for example during operations)