opioid

Etymology

From opium + -oid.

noun

  1. A substance that has effects similar to 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.

Attribution / Disclaimer All definitions come directly from Wiktionary using the Wiktextract library. We do not edit or curate the definitions for any words, if you feel the definition listed is incorrect or offensive please suggest modifications directly to the source (wiktionary/opioid), any changes made to the source will update on this page periodically.