What does Tolkien mean by the word 'DOOM'?

I hate this meme. It captures how so much of Tolkien’s subtlety and depth can go whooshing over the heads of many readers (or, more likely, viewers). ‘Mount Doom’ was not chosen to be vaguely menacing, like some comic book villain calling himself ‘Dr. Doom!” Tolkien uses the word ‘doom’ in a very particular (and… »8/19/13 11:44am8/19/13 11:44am