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The Collaborative International Dictionary
Ethereous oil

Ethereous \E*the"re*ous\, a. [L.aethereus, Gr. ? See Ether.]

  1. Formed of ether; ethereal. [Obs.]

    This ethereous mold whereon we stand.
    --Milton.

  2. (Chem.) Pertaining to, or resembling, ether.

    Ethereous oil. See Ethereal oil, under Ethereal.