Ether - English meaning

noun

A pleasant-smelling colourless volatile liquid that is highly flammable. it is used as an anaesthetic and as a solvent or intermediate in industrial processes.

Usage examples:

In the recent past dentists were instrumental in the introduction of diethyl ether and nitrous oxide.

noun

The clear sky; the upper regions of air beyond the clouds.

Usage examples:

Nasty gases and smoke disperse into the ether

noun

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.

Usage examples:

The motion of the planets would be retarded by the ether through which they moved

noun

A colorless liquid used, esp. in the past, to put people to sleep before an operation