As nouns the difference between empyrosis and ekpyrosis
is that empyrosis is (obsolete) a general fire; a conflagration while ekpyrosis is (philosophy) the supposed periodic destruction of the universe.
ekpyrosis
English
Noun
(ekpyroses)
(philosophy) The supposed periodic destruction of the universe
Related terms
*ekpyrotic
See also
*palingenesis (the subsequent recreation)