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cocaine    音标拼音: [kok'en]
n. 古柯碱

古柯硷

cocaine
n 1: a narcotic (alkaloid) extracted from coca leaves; used as a
surface anesthetic or taken for pleasure; can become
powerfully addictive [synonym: {cocaine}, {cocain}]

Cocaine \Co"ca*ine\, n. (Chem.)
A powerful narcotic alkaloid, {C17H21NO4}, obtained from the
leaves of coca. It is a bitter, white, crystalline substance,
and is remarkable for producing local insensibility to pain.
It is classified as addictive and is not available in the U.
S. without a prescription, but is nevertheless one of the
most widespread illegal drugs of abuse. It is used in several
forms, including small pellets of free base, called {crack}.
Most of the cacaine illegally used in the U.S. is imported.
[1913 Webster PJC]


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  • Cocaine - National Institute on Drug Abuse (NIDA)
    There are two chemical forms of cocaine: the water-soluble hydrochloride salt and the water-insoluble cocaine base (or freebase) Hydrochloride salt is a powder that is injected or snorted
  • Cocaine: Side-Effects and Addiction Treatment - WebMD
    Cocaine is a highly addictive drug that can have serious effects on your health and well-being Learn what it does to your body
  • Cocaine (Crack): What It Is, Side Effects, Risks Withdrawal
    What is cocaine (crack)? Cocaine is a powerful stimulant drug that’s extracted and processed from coca plant leaves in South America Healthcare providers may occasionally use cocaine as anesthesia More commonly, people use cocaine to boost feelings like being energized, happy and alert
  • Cocaine | Definition, Uses Addiction | Britannica
    cocaine, white crystalline alkaloid that is obtained from the leaves of the coca plant (Erythroxylum coca), a bush commonly found growing wild in Peru, Bolivia, and Ecuador and cultivated in many other countries The chemical formula of cocaine is C 17 H 21 NO 4
  • What is Cocaine? Definition, Usage, Effects, Abuse
    The different types of cocaine are powder cocaine, crack cocaine, and freebase cocaine, each varying in potency, method of use, and effects Powder cocaine is the most common form, while crack and freebase cocaine are smokable
  • Cocaine Addiction: Signs, Effects Treatment Options
    Learn more about cocaine, what it is and its effects, the risk of cocaine addiction and the common signs, as well as cocaine treatment options
  • Cocaine - MedlinePlus
    Cocaine, also called crack cocaine, is a highly addictive stimulant It can be snorted, injected, or smoked Learn about health effects and treatment
  • What Does Cocaine Do to Your Brain and Body? - ScienceInsights
    Cocaine affects your brain, heart, and behavior in ways that go far beyond the high Here’s what the science says about its short and long-term effects
  • Drugs of Abuse: A DEA Resource Guide, 2024 Edition
    Powdered cocaine (i e , cocaine hydrochloride) can be snorted or injected into the veins after dissolving in water Cocaine base (crack) is smoked, either alone or on marijuana or tobacco Cocaine is also used in combination with an opiate, like heroin, a practice known as “speedballing ”
  • Cocaine - Get Smart About Drugs
    Cocaine What is it? Cocaine hydrochloride is white, crystalline powder derived from coca leaves In contrast, cocaine base (crack) looks like small, irregularly shaped white rocks





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