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Answer for the clue "Sedating substance ", 6 letters:
opioid

Alternative clues for the word opioid

Word definitions for opioid in dictionaries

Wiktionary Word definitions in Wiktionary
n. 1 A substance that is like opium. 2 (context physiology English) Any of the natural substances, such as an endorphin, released in the body in response to pain. 3 (context pharmacology English) Any of a group of synthetic compounds that exhibit similarities ...

Wikipedia Word definitions in Wikipedia
Opioids are substances that act on opioid receptors to produce morphine -like effects. Opioids are most often used medically to relieve pain . Opioids include , an older term that refers to such drugs derived from , including morphine itself. Other opioids ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1957, from opium + -oid .

Usage examples of opioid.

Do you, on average, use opioids or endorphin-amplifiers more than twice a week?

When neuroscientists compared the brain scans of their love-stricken subjects with those of men and women who had injected cocaine or opioids, they found that many of the same brain regions became active.

The best-known of these peptides are those sometimes described as the body's natural pain-killers, the morphine-like family of the opioids, such as enkephalin and endorphin.