[Tcoat]

Originally Posted by Captain Snooze

UFO is an abbreviation/acronym.
I vote it gets dismissed.

Although certainly an abbreviation it has also been so commonly used as a word unto itself for so long that I think it is acceptable. In fact Google recognizes it as a word that was derived from the acronym of the same letters.


UFO
noun
noun: UFO; plural noun: UFOs

1. a mysterious object seen in the sky for which, it is claimed, no orthodox scientific explanation can be found.
   synonyms:flying saucer, alien spacecraft/spaceship, unidentified flying object "the Phoenix police received sixteen calls about the sighting of a UFO last night"
   
   
   
   
   
   
   

Origin

1950s: acronym from unidentified flying object