Empyreal /(?)/

Em·pyr·e·al

Empyreal

a.
  1. Formed of pure fire or light; refined beyond aërial substance; pertaining to the highest and purest region of heaven.
    Go, soar with Plato to the empyreal sphere.

Phrases & Compounds

Empyreal air
oxygen gas.

Empyreal

n.
  1. Empyrean.