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3 definitions found

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 ethereal oil 名詞
 香精油

From: Webster's Revised Unabridged Dictionary (1913)

 E·the·re·ous a.
 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.
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From: Webster's Revised Unabridged Dictionary (1913)

 E·the·re·al a.
 1. Pertaining to the hypothetical upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere; celestial; as, ethereal space; ethereal regions.
    Go, heavenly guest, ethereal messenger.   --Milton.
 2. Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc.
 Vast chain of being, which from God began,
 Natures ethereal, human, angel, man.   --Pope.
 3. Chem. Pertaining to, derived from, or resembling, ether; as, ethereal salts.
 Ethereal oil. Chem. See Essential oil, under Essential.
 Ethereal oil of wine Chem., a heavy, yellow, oily liquid consisting essentially of etherin, etherol, and ethyl sulphate.  It is the oily residuum left after etherification.  Called also heavy oil of wine (distinguished from oil of wine, or œnanthic ether).
 Ethereal salt Chem., a salt of some organic radical as a base; an ester.
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