| Ethereal | 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. [ 1913 Webster ] Go, heavenly guest, ethereal messenger. Milton. [ 1913 Webster ] 2. Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc. [ 1913 Webster ] Vast chain of being, which from God began,
Natures ethereal, human, angel, man. Pope. [ 1913 Webster ] 3. (Chem.) Pertaining to, derived from, or resembling, ether; as, ethereal salts. [ 1913 Webster ]
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. [ 1913 Webster ]
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| Etherealize | v. t. 1. To convert into ether, or into subtile fluid; to saturate with ether. [ 1913 Webster ] 2. To render ethereal or spiritlike. [ 1913 Webster ] Etherealized, moreover, by spiritual communications with the other world. Hawthorne. [ 1913 Webster ] |
