ether

/ˈiθɚ/ · 2 syllables

Meaning

noun

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 flammable liquid formerly used as an inhalation anesthetic

Synonyms for ether

• quintessence
• aether
• ethoxyethane
• divinyl ether
• vinyl ether
• diethyl ether
• ethyl ether