ether
1.A volatile, highly flammable liquid, C2H5OC2H5, derived from the distillation of ethyl alcohol with sulfuric acid, can produce strong anesthetic effects.
2.The regions of space beyond the earth's atmosphere.
3.(archaic)the fifth and highest element after air and earth and fire and water, believed in ancient and medieval civilizations to fill all space above the sphere of the moon and to compose the stars and planets.
4.An all-pervading, infinitely elastic, massless medium formerly postulated as the medium of propagation of electromagnetic waves.
2.The regions of space beyond the earth's atmosphere.
3.(archaic)the fifth and highest element after air and earth and fire and water, believed in ancient and medieval civilizations to fill all space above the sphere of the moon and to compose the stars and planets.
4.An all-pervading, infinitely elastic, massless medium formerly postulated as the medium of propagation of electromagnetic waves.
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