opioid

Definition from Wiktionary, the free dictionary
Jump to: navigation, search

English[edit]

Wikipedia has an article on:

Wikipedia

Etymology[edit]

From opium +‎ -oid.

Pronunciation[edit]

Noun[edit]

opioid (plural opioids)

  1. A substance that is like opium.
  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.

Hyponyms[edit]