Definition of "methylenedioxyphenethylamine"
methylenedioxyphenethylamine
/ˌmɛθ.ɪ.liːn.daɪˌɒk.siˌfɛn.ɛˈθaɪ.lə.miːn/
noun
countable and uncountable, plural methylenedioxyphenethylamines
(organic chemistry) A methylenedioxy derivative of phenethylamine, many of whose derivatives are psychoactive