noun🔗ShareKetaminaA pain-killing drug and anaesthetic, (RS)-2-(2-chlorophenyl)-2-(methylamino)cyclohexanone, commonly used recreationally."The veterinarian used ketamine to anesthetize the injured dog. "El veterinario usó ketamina para anestesiar al perro herido.medicinesubstancechemistryChat with AIVocabulary GamePractice Reading