noun
- The fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies.
- synonyms: 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.
- synonyms: aether
- A colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic.
- synonyms: ethoxyethane, divinyl ether, vinyl ether, diethyl ether, ethyl ether
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). ether. Retrieved September 20, 2026, from http://smartdefine.org/ether/definitions/1203819 |
| Chicago | WordNet. 2010. "ether" http://smartdefine.org/ether/definitions/1203819 (accessed September 20, 2026). |
| Harvard | WordNet 2010, ether, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/ether/definitions/1203819>. |
| MLA | WordNet. "ether" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/ether/definitions/1203819> |