Obs. rare–1. [a. Gr. ἐμπύρωσις n. of action f. ἐμπυρό-ειν = ἐμπυρεύειν to set on fire.] A general fire, conflagration.
1677. Hale, Prim. Orig. Man., 217. The former Opinion that held these Cataclysms and Empyroses universal.
1775. in Ash.
1847. in Craig; and in mod. Dicts.
