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Ether 1Definition: A medium of great elasticity and extreme tenuity, supposed to pervade all space, the interior of solid bodies not excepted, and to be the medium of transmission of light and heat; hence often called luminiferous ether.
Ether 2Definition: Supposed matter above the air; the air itself. Ether 3Definition: A light, volatile, mobile, inflammable liquid, (C2H5)2O, of a characteristic aromatic odor, obtained by the distillation of alcohol with sulphuric acid, and hence called also sulphuric ether. It is powerful solvent of fats, resins, and pyroxylin, but finds its chief use as an anaesthetic. Called also ethyl oxide. Ether 4Definition: Any similar oxide of hydrocarbon radicals; as, amyl ether; valeric ether. ether 5Definition: a colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic ether 6Definition: a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves ether 7Definition: any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom ether 8Definition: the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies
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