ethers

英 ['iːθərz] 美 ['iːθərz]

• 民族精神

英英释义

名词 ether:

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

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

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

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