эфир

Etymology
Borrowed from, from.

Noun

 * 1)  ether
 * 2)  ether
 * 3)  air

Etymology
.

Noun

 * 1) ether (organic chemistry: a compound containing an oxygen atom bonded to two hydrocarbon groups)
 * 2)  luminiferous aether, aether
 * 3)  ether
 * 4)  air, broadcast
 * 1)  air, broadcast