ethereal

1’01:-zi-ot adj. [also spelt etherial and, formerly, aethereal] 4. formd of, containing, or fild. with the ether or air of the upper regions; of or pertaining to the hevens; hevenly; celestial: as, *ethereal space, *ethereal regions. 2. of or pertaining to the ether of space: as, the *ethereal medium.