51Թ

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opioid

[ oh-pee-oid ]

noun

Biochemistry, Pharmacology.
  1. an opiate, or any similar synthetic compound: formerly referring only to the latter, but now the predominant term for both the opium-derived and synthetically produced substances:

    Illicit use of the synthetic opioid fentanyl is on the rise.

    The opium poppy is the source for all natural opioids.

  2. any opiumlike substance:

    Have any opioids been detected in poppies that do not contain opium?

  3. any of a group of natural substances, as the endorphins, produced by the body in increased amounts in response to stress and pain.


adjective

  1. pertaining to such a substance:

    opioid drugs such as heroin and oxycodone;

    opioid neuropeptides.

opioid

/ ˈəʊɪˌɔɪ /

noun

    1. any of a group of substances that resemble morphine in their physiological or pharmacological effects, esp in their pain-relieving properties
    2. modifier of or relating to such substances

      opioid analgesic

      opioid receptor

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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51Թ History and Origins

Origin of opioid1

First recorded in 1955–60; opi(um) + -oid
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Example Sentences

Examples have not been reviewed.

Helford: The opioid story came back because the Supreme Court handed us a story.

From

Four months pregnant, she spent one agonizing day there withdrawing from opioids before she had a seizure and had to be rushed to the emergency room.

From

They were lifelines — a fragile but vital safety net for communities devastated by opioids, trauma, suicide and structural neglect.

From

While credited by advocates with saving lives during the opioid epidemic, the programs remain controversial, with critics arguing they fuel addiction.

From

While opioids like fentanyl are a much more acute threat to drug users, this old and often misunderstood substance might be a renewed concern for festival-goers as well.

From

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