Definition of empyrosis in English:

empyrosis

noun

rare
  • A large or widespread fire, a conflagration. Chiefly figurative.

Origin

Late 17th century; earliest use found in Matthew Hale (1609–1676), judge and writer. From ancient Greek ἐμπύρωσις kindling, heating from Hellenistic Greek ἐμπυροῦν to set on fire (although this is apparently first attested later; from ancient Greek ἐμ-, variant (before a labial) of ἐν- + πυροῦν to set on fire, burn) + -σις.

Pronunciation

empyrosis

/ˌɛmpɪˈrəʊsɪs/ /ˌɛmpʌɪˈrəʊsɪs/ /ɛmˈpɪrəsɪs/