^yea, that's like a dictionary definition though. If a pill is illicitly pressed, has a logo, a color, makes you feel good and stimulated, and dialates your eyes then it's generally (and often unknowingly) accepted as, sold as, and consumed as MDMA and called ecstasy.
Ecstasy doesn't really mean the same thing as it used to, when it was first around it was most likely MDMA, then people figured put they could put all sorts of cuts in the pill to make thier MDMA go farther and to make more money. There are still good pills out there, but the term ecstasy can be talking about pure pills, cut pills, or bunk pills. The media, it's users, and law enforcement all use the term ecstasy to describe both good and bad pills. So if you hear someone talking about ecstacy they can be talking about good or bad pills, sorry but the real world definition has kinda changed a little since 1990.