ether

ether

名词 ether:

a colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic

同义词：ethoxyethane, divinyl ether, vinyl ether, diethyl ether, ethyl ether

the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies

同义词：quintessence

any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom

a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves

同义词：aether