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opioid

Defined in 5 places across 3 titles — 4 distinct definitions of the United States Code.

The term "opioid" means any drug, including heroin, having an addiction-forming or addiction-sustaining liability similar to morphine or being capable of conversion into a drug having such addiction-forming or addiction-sustaining liability.

Same definition in 2 sections

The term “opiate” or “opioid” means any drug or other substance having an addiction-forming or addiction-sustaining liability similar to morphine or being capable of conversion into a drug having such addiction-forming or addiction-sustaining liability.

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The term "opioid" means any drug having an addiction-forming or addiction-sustaining liability similar to morphine or being capable of conversion into a drug having such addiction-forming or addiction-sustaining liability.

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The terms “controlled substance”, “listed chemical”, “narcotic drug”, and “opioid” have the meanings given those terms in section 802 of this title.

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