opioid

Etymology
Attested 1963; from, to distinguish from.

Noun

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

Translations

 * Chinese:
 * Mandarin: 鴉片劑
 * Finnish:
 * German:
 * Maori: whakaporehu