noun🔗ShareLidocaïneA local anesthetic [2-(diethylamino)-N-(2,6-dimethylphenyl)acetamide], that is also used as a antiarrhythmic drug."The dentist injected lidocaine to numb my gums before filling my cavity. "Le dentiste a injecté de la lidocaïne pour engourdir mes gencives avant de me faire un plombage.medicinecompoundsubstancebiochemistryphysiologyChat with AIVocabulary GamePractice Reading