Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
(Elements & Compounds) a more formal name for ether1
a. Also called ethyl ether. a colorless, highly volatile, flammable liquid, C4H10O, having an aromatic odor and sweet burning taste, used as a solvent and formerly as an inhalant anesthetic.
b. (formerly) one of a class of compounds in which two organic groups are attached directly to an oxygen atom, having the general formula ROR.
2. upper regions of space; the clear sky; the heavens.
3. the medium supposed by the ancients to fill the upper regions of space.
4. a substance formerly supposed to occupy all space, accounting for the propagation of electromagnetic radiation through space.
[1350–1400; < Latin aethēr the upper air, ether < Greek aithḗr, akin to aíthein to glow, burn]
e•ther•ic (ɪˈθɛr ɪk, ɪˈθɪər-) adj.
Switch to new thesaurus
|Noun||1.||ethyl ether - a colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic|
enflurane, Ethrane - a nonflammable liquid (trade name Ethrane) used as an inhalation general anesthetic