The definition of an apocalypse is an event that causes a tremendous amount of damage, perhaps even so much damage that the world ends.
(noun)Armageddon is an example of an apocalypse.
Apocalypse is defined as a group of Jewish and Christian writings such as the Book of Revelation, the last book in the Holy Bible, which predict events at the end of the world.
(noun)The Book of Revelation of the New Testament is an example of the Apocalypse.
See apocalypse in Webster's New World College Dictionary
noun
Origin: LL(Ec) apocalypsis < Gr apokalypsis < apokalyptein, to disclose < apo-, from + kalyptein, to cover < IE base *el- > hall
See apocalypse in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English Apocalipse
Origin: , from Late Latin Apocalypsis
Origin: , from Greek apokalupsis, revelation, Apocalypse
Origin: , from apokaluptein, to uncover
Origin: : apo-, apo-
Origin: + kaluptein, to cover; see kel-1 in Indo-European roots
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