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MDMA

American

methylene dioxymethamphetamine: an amphetamine derivative, C 11 H 15 NO 2 , that reduces inhibitions and that was used in psychotherapy until it was banned in the U.S. in 1985.

MDMA British

abbreviation

Also called (informal): ecstasy. 3,4-methylenedioxymethamphetamine

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

FDA psychiatry Director Tiffany Farchione said the agency is “quite concerned by” the allegations and is conducting an investigation that will conclude before an approval decision on MDMA.

From Science Magazine • Jun. 5, 2024

Then along came George Ricaurte, a neurologist at the Johns Hopkins University School of Medicine, who made a name for himself by touting the alleged neurotoxic and lethal effects of MDMA.

From Scientific American • Feb. 7, 2022

After their first MAPS-administered session with MDMA, Mel felt ripped open.

From Salon • Mar. 6, 2021

Fen-phen was pulled off shelves in 1997 after a large number of people experienced harmful side effects, such as damage to the heart valves, making it an unlikely candidate for a “better” MDMA.

From Scientific American • Dec. 11, 2019

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023