# อีเทอร์
## Noun (N)
### Sense: a colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic
- 乙醚
### Sense: any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom
- 醚
### Sense: the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies
- 第五种要素