The Collaborative International Dictionary
Ethereous
Ethereous \E*the"re*ous\, a. [L.aethereus, Gr. ? See Ether.]
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Formed of ether; ethereal. [Obs.]
This ethereous mold whereon we stand.
--Milton. -
(Chem.) Pertaining to, or resembling, ether.
Ethereous oil. See Ethereal oil, under Ethereal.
Wiktionary
ethereous
a. 1 (context obsolete English) Formed of ether; ethereal. 2 (context obsolete chemistry English) Of or resembling ether.
Usage examples of "ethereous".
The remainder, the surrounding curvature, which in some ethereous, immaterial way refused to be rationalized by means of the calculable bounding lines, that, Lawyer Paravant said, with quivering jaw, was pi.