from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Empyrean.
- adj. Of the sky; celestial.
- adj. Elevated; sublime.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Pertaining to the highest heaven or the empyrean; celestial; sublime; exalted.
- adj. Of the sky or heavens.
- adj. Fiery, made of pure fire.
from the GNU version of the Collaborative International Dictionary of English
- adj. Formed of pure fire or light; refined beyond aërial substance; pertaining to the highest and purest region of heaven.
- n. Empyrean.
from The Century Dictionary and Cyclopedia
- Formed of pure fire or light; pertaining to the highest and purest region of heaven; pure.
- n. The empyrean; the region of celestial purity.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. inspiring awe
- adj. of or relating to the sky or heavens
In this remarkable book he tells of his discovery of oxygen -- "empyreal" or "fire-air," as he calls it -- which he seems to have made independently and without ever having heard of the previous discovery by Priestley.
"empyreal" gas was, he supposed (very much as Wilson had done), generated in the body of the sun, and rising everywhere by reason of its lightness, made for itself, when in moderate quantities, small openings or "pores,"  abundantly visible as dark points on the solar disc.
•The business of empyreal colonialism that exploits people
And then it was gone: giant, empyreal prisoner, and the light that had framed them, leaving behind only the veldt and the scandalized night.
With a soft, empyreal hiss, it saw itself sucked up by the thorns, until only a last wisp of noxious vapor remained to show where it had once writhed.
Spirits in the form of angels or demons, good or bad — souls with spiritual bodies — inhabited the empyreal heavens, planets, or elements.
Within and through this empyreal web of light marvellous scenes were simultaneously woven.
Heavens and breathed empyreal air, her tempering; in like manner he requests her to lead him down to his native element lest he should meet with a fate similar to what befell Bellerophon.
Henceforth he is to fight his way through the storms of life and passion -- to pass onward and upward and at last to rise to 'higher spheres'; and amidst the fierce and insidious assaults of flesh and devil we shall see that he looks for strength and guidance to this Spirit that appeared to him in the blinding vision of living empyreal flame.
And mount on Milton's wing, and breathe empyreal air!