a pleasant-smelling, colorless, volatile liquid that is highly flammable. It is used as an anesthetic and as a solvent or intermediate in industrial processes.
In the recent past dentists were instrumental in the introduction of diethyl ether and nitrous oxide.
the clear sky; the upper regions of air beyond the clouds.
nasty gases and smoke disperse into the ether
a very rarefied and highly elastic substance formerly believed to permeate all space, including the interstices between the particles of matter, and to be the medium whose vibrations constituted light and other electromagnetic radiation.
Maxwell believed electromagnetic waves such as light to be vibrations in the ether .