etherical, a.
(iːˈθɛrɪkəl)
In 7 ætherical.
[f. as prec. + -ical.]
Of, pertaining to, or of the nature of, ether.
| 1655–60 Stanley Hist. Philos. (1701) 329/1 Possidonius defineth a Star, a Divine Body, consisting of ætherical fire. 1920 Conquest May 317/2 The plant..responds to different rays of the vast etherical spectrum, from the extreme ultra-violet to the longest wireless electrical waves. |