from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A drug, C11H15NO2, that is chemically related to amphetamine and mescaline and is used illicitly for its euphoric and hallucinogenic effects. It reduces inhibitions and was formerly used in psychotherapy but has been banned in the United States.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. 3,4-methylenedioxymethamphetamine (the main psychoactive component of the drug ecstasy). But is also available in a crystallised (not always pure) form.

from the GNU version of the Collaborative International Dictionary of English

  • n. Methylenedioxymethamphetamine, a drug designed to have the effects of amphetamines but originally synthesized to avoid the drug laws; it is now a controlled substance. It is informally called ecstasy. It is used by some abusively and illegally without a prescription.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a stimulant drug that is chemically related to mescaline and amphetamine and is used illicitly for its euphoric and hallucinogenic effects; it was formerly used in psychotherapy but in 1985 it was declared illegal in the United States


from The American Heritage® Dictionary of the English Language, 4th Edition



  • RU: So a while back, MAPS got approval for a study in MDMA (ecstasy) assisted psychotherapy.

    Boing Boing

  • JEFF: So does it look like MDMA is going to become something that's used pharmaceutically?

    Boing Boing

  • JAG: After careful analysis, we decided that MDMA is probably the most likely of any psychedelic drug to get approved.

    Boing Boing

  • West Yorkshire coroner David Hinchliff said: "Mr Walton was using what is described as MDMA powder and was understood to have ingested a large amount of that in the form of a milkshake." - Telegraph online, Daily Telegraph and Sunday Telegraph

  • Among scientists it is known as MDMA, not worth spelling out.

    Lloyd I. Sederer, MD: Ecstasy, Raves and Your Health

  • Pure MDMA, which is hard to obtain has never killed anybody.

    On Thursday, the Legg report will be published along with...

  • Although the indictment doesn't identify any such persons by name, it cites an early 2000 incident in New Orleans at which the Broadcom chief allegedly used Ecstasy, also known as MDMA, to spike the drink of a "technology executive."

    Drugs Grab Spotlight in Broadcom Case

  • For example, he admits taking ecstasy, also known as MDMA about once a year.

    CNN Transcript Nov 19, 2006

  • Ecstasy also called MDMA is a synthetic combination drug that has both stimulant and hallucinogenic effects.


  • Simon would have disagreed—and a case could well be made that the serotonin-reuptake-inhibiting effects of 3,4-methylene-dioxy-N-methylamphetamine, also known as MDMA, Adam, or Ecstasy, in addition to the weed and the Percodan, were indeed having a pacifying effect on him.

    Fear Itself


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