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opioid Definition

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opioid
adjective(opi-oid)
possessing some properties characteristic of opiate narcotics but not derived from opium
opioid
adjective(opi-oid)
of, involving, or induced by an opioid
opioid
noun(opi-oid)
any of a group of endogenous neural polypeptides (such as an endorphin or enkephalin) that bind especially to opiate receptors and mimic some of the pharmacological properties of opiates —called also opioid peptide
opioid
noun(opi-oid)
a synthetic drug possessing narcotic properties similar to opiates but not derived from opium; broadly : opiate

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opioid Examples by Brain Bank Users