(名詞) 擔心不久的將來地球將會被某一宇宙事件摧毀的強烈且非理性的恐懼感。

There are 19 million 2012-related Google hits, and a vast number of those are concerned with a real world's [sic] and not the Roland Emmerich film that cashes in on rampant fear and on the tastes of those who enjoyed the way he destroyed the world in "Independence Day" and "The Day After Tomorrow."...This latest bit of cosmophobia is based on the Maya or Mesoamerican Long Count calendar, which, set up to run for 5,125 years, appears to terminate on or about Dec. 21, 2012, thus wrecking the key holiday shopping season.
—John Bogert, "Here comes the end of the world—again," Daily Breeze, October 22, 2009