ether: Meaning and Definition of
Pronunciation: (ē'thur), [key]
- a colorless, highly volatile, flammable liquid, CHO, having an aromatic odor and sweet, burning taste, derived from ethyl alcohol by the action of sulfuric acid: used as a solvent and, formerly, as an inhalant anesthetic.
- (formerly) one of a class of compounds in which two organic groups are attached directly to an oxygen atom, having the general formula ROR.
- the upper regions of space; the clear sky; the heavens.
- the medium supposed by the ancients to fill the upper regions of space.
- a hypothetical substance supposed to occupy all space, postulated to account for the propagation of electromagnetic radiation through space. Cf. Michelson-Morley experiment.
- ether (Thesaurus)