hypethral

American

[hi-pee-thruhl, hahy-] / hɪˈpi θrəl, haɪ- /

Or hypaethral

adjective

(of a classical building) wholly or partly open to the sky.

hypethral British

/ hɪˈpiːθrəl, haɪ- /

adjective

the usual US spelling of hypaethral

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of hypethral

First recorded in 1880–90; from Latin hypaethr(us) or directly from Greek hýpaithros “open to the sky,” equivalent to hyp- hyp- + aîthros “clear sky”; see ether) + -al ¹

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023