noun🔗ShareA substance that has effects similar to opium."The doctor prescribed an opioid to help manage the patient's severe pain after surgery. "medicinesubstanceChat with AIVocabulary GamePractice Reading
noun🔗ShareAny of the natural substances, such as an endorphin, released in the body in response to pain."After a long run, Maria felt a sense of well-being because her body released natural opioids. "medicinephysiologysubstancebodyChat with AIVocabulary GamePractice Reading
noun🔗ShareAny of a group of synthetic compounds that exhibit similarities to the opium alkaloids that occur in nature."The doctor prescribed an opioid to manage the patient's severe pain. "medicinesubstancecompoundchemistryChat with AIVocabulary GamePractice Reading