noun🔗ShareLidocaínaA 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. "El dentista inyectó lidocaína para adormecer mis encías antes de empastar mi cavidad.medicinecompoundsubstancebiochemistryphysiologyChat with AIVocabulary GamePractice Reading