Usually—or, rather, in the past—the word "genocide" has meant an effort to stamp out a race or ethnicity.
What about stamping out a religion, or any other religion than one's own? This is what ISIS is doing in the Middle East.
It's said that President Obama's administration hesitates to use that word because it would mean being under more intense pressure to do something about it.
I think this opens up a lot of questions which I'll let you guys raise. I'll just give you this article for starters: