ethereal

1. a. 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. Source: opted

2. a. Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc. Source: opted

3. a. Pertaining to, derived from, or resembling, ether; as, ethereal salts. Source: opted

4. adj. characterized by lightness and insubstantiality; as impalpable or intangible as air Source: wordnet

5. adj. of or containing or dissolved in ether Source: wordnet

6. adj. of heaven or the spirit Source: wordnet

7. adj. characterized by unusual lightness and delicacy Source: wordnet

8. 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 oenanthic ether). -- Ethereal salt (Chem.), a salt of some organic radical as a base; an ester. Source: webster

9. Pertaining to, derived from, or resembling, ether; as, etherealsalts. Ethereal oil. (Chem.) See Essential oil, under Essential.-- Ethereal oil of wine (Chem.), a heavy, yellow, oily liquidconsisting essentially of etherin, etherol, and ethyl sulphate. It isthe oily residuum left after etherification. Called also heavy oil ofwine (distinguished from oil of wine, or oenanthic ether).-- Ethereal salt (Chem.), a salt of some organic radical as a base;an ester. Source: adambom

10. j:100 a. of or containing or dissolved in ether s. characterized by unusual lightness and delicacy Source: ecdict

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