noun🔗ShareLidocainA 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. "Der Zahnarzt spritzte Lidocain, um mein Zahnfleisch zu betäuben, bevor er mein Loch füllte.medicinecompoundsubstancebiochemistryphysiologyChat with AIVocabulary GamePractice Reading