As a noun armageddon is
the scene of a decisive conflict on a great scale.
triangularprism
Not English
Triangularprism has no English definition. It may be misspelled.
armageddon
English
Proper noun
(
en proper noun)
(Christianity, Islam) The site of a prophesied final battle between the forces of good and evil.
(lb) The battle itself.
Synonyms
* Apocalypse, Final Judgment
Coordinate terms
* Ragnarok (Norse mythology)
* day of reckoning, doomsday, judgement day, end times, end of the world
Derived terms
* Four Horsemen of the Apocalypse