EXAMPLES FROM THE WEB FOR ETHER
The lead salts not soluble in ether were decomposed by acid.
How these motions are communicated to the ether matters not.
Gravitation then is a property belonging to matter and not to ether.
There is no phenomenon in the ether that is comparable with this.
In this way the density of the ether has been deduced by noting the velocity of light.
The ether is in great contrast with matter in this particular.
The product of the electric current in the lamp is light-waves in the ether.
This rotation in the ether is produced by what is going on in the wire.
Angus has kept the ear-flaps on, but the ether is still jammed.
As we have already said, light is probably vibrations or waves of ether.
late 14c., "upper regions of space," from Old French ether and directly from Latin aether "the upper pure, bright air," from Greek aither "upper air; bright, purer air; the sky," from aithein "to burn, shine," from PIE root *aidh- "to burn" (see edifice).
In ancient cosmology, the element that filled all space beyond the sphere of the moon, constituting the substance of the stars and planets. Conceived of as a purer form of fire or air, or as a fifth element. From 17c.-19c., it was the scientific word for an assumed "frame of reference" for forces in the universe, perhaps without material properties. The concept was shaken by the Michelson-Morley experiment (1887) and discarded after the Theory of Relativity won acceptance, but before it went it gave rise to the colloquial use of ether for "the radio" (1899).
The name also was bestowed c.1730 (Frobenius; in English by 1757) on a volatile chemical compound known since 14c. for its lightness and lack of color (its anesthetic properties weren't fully established until 1842).