ETHER
- a volatile liquid used as an anesthetic [n ETHERS] : ETHERIC [adj]
- a volatile liquid used as an anaesthetic [n -S]
- the rarefied element formerly believed to fill the upper regions of space
- medium that in the wave theory of light permeates all space and transmits transverse waves
- light volatile flammable liquid C4H10O used chiefly as a solvent and especially formerly as an anesthetic
- colorless liquid used as a solvent and formerly as an anesthetic
- the upper part of space