Lexic.us

Definition of Ether

1. Noun. The fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies.

2. Noun. Any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom.

3. Noun. A medium that was once supposed to fill all space and to support the propagation of electromagnetic waves.

4. Noun. A colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic.

Definition of Ether

1. n. 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.

Definition of Ether

1. Proper noun. (Mormonism) The ancient American prophet of Mormon theology who wrote the Book of Ether in the Book of Mormon. ¹

2. Noun. (organic compound countable) A compound containing an oxygen atom bonded to two hydrocarbon groups. ¹

3. Noun. (organic compound uncountable) Diethyl ether (C₄H₁₀O), a compound used as an early anaesthetic. ¹

4. Noun. (context: ancient philosophy and alchemy uncountable) A classical physical element, considered as prevalent in the heavens and inaccessible to humans. In some versions of alchemy, this was the fifth element in addition to air, earth, fire and water. ¹

5. Noun. (archaic physics uncountable) A substance (''aether'') once thought to fill all space that allowed electromagnetic waves to pass through it and interact with matter, without exerting any resistance to matter or energy (disproved by Einstein in his Theory of Relativity). ¹

6. Noun. (poetic or literary) The sky or heavens; the upper air. ¹

¹ Source: wiktionary.com

Definition of Ether

1. a volatile liquid used as an anesthetic [n -S] : ETHERIC [adj]

Medical Definition of Ether

1. 1. 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. 2. Supposed matter above the air; the air itself. 3. A light, volatile, mobile, inflammable liquid, (C2H5)2O, of a characteristic aromatic odour, 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. Any similar oxide of hydrocarbon radicals; as, amyl ether; valeric ether. Complex ether, Mixed ether, a condensing engine like a steam engine, but operated by the vapor of ether instead of by steam. Origin: Written also aether. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Ether

ethe ethea ethene ethenes ethenic ethenoadenosine triphosphate ethenolysis ethenone ethenyl ethenylbenzene

ethenylene etheostomoid etheostomoids ethephon ethephons ether ether convulsion ether test etherate etherates

ethercap ethercaps ethereal ethereal oil ethereal solution etherealisation etherealisations etherealise etherealised

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