anaestheticKK [ˏænəsˋθɛtɪk] /ˌænəsˈθɛtɪk/發音an- 無、不+aesthet 感覺+-ic 形容詞→無感覺的展開收合an-字首無、不aesthet字根感覺-ic字尾形容詞字面：無感覺的使人失去感覺，即麻醉的、麻醉劑。名詞1麻醉劑、麻藥英式The dentist gave her a local anaesthetic before drilling the tooth.牙醫在鑽牙前先為她施打局部麻醉劑。2麻醉英式He was still groggy as the anaesthetic slowly wore off.麻醉漸漸退去時，他還是昏昏沉沉的。形容詞1麻醉的、麻醉用的英式The anaesthetic gas is delivered through a mask over the patient's face.麻醉氣體透過罩在病人臉上的面罩輸送。2使麻木的、失去感覺的英式The cream has an anaesthetic effect on irritated skin.這種乳膏對受刺激的皮膚有麻木的效果。