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