- the usual US spelling of hypaethral
WordReference Random House Unabridged Dictionary of American English © 2026
hy•pe•thral
(hi pē′thrəl, hī-),USA pronunciation adj.
- Architecture(of a classical building) wholly or partly open to the sky.
- Greek hýpaithros open to the sky, equivalent. to hyp- hyp- + aîthros clear sky; see ether) + -al1
- Latin hypaethr(us) (
Collins Concise English Dictionary © HarperCollins Publishers::
'hypethral' also found in these entries (note: many are not synonyms or translations):