There are multiple definitions:

1. 3,4-methylene dioxymethamphetamine(English)

   • AMPH, CWM, FEN, MA, MDA, XTC
   • Addiction and health, Cognitive function
   • https://doi.org….1002/syn.20854
   • https://www.dru…-weten-over-xtc

2. Medical Device Manufacturers Association(English)

   • Medical technology (assessment), Health care industry, Organization (management)