|
|
ether, quintessence | the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies | |
|
|
ether, aether | a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves | |
|
|
ether | any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom | |
|
|
ether, ethoxyethane, divinyl ether, vinyl ether, diethyl ether, ethyl ether | a colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic |