English

Noun

opioid ‎(plural opioids)

1. A substance that has similar to opium effects.
2. (physiology) Any of the natural substances, such as an endorphin, released in the body in response to pain.
3. (pharmacology) Any of a group of synthetic compounds that exhibit similarities to the opium alkaloids that occur in nature.

Translations

Hyponyms

• opiate