Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: ether  ee-thu(r)
  1. Any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom
     
  2. A colourless volatile highly flammable liquid formerly used as an inhalation anaesthetic
    - ethoxyethane, divinyl ether, vinyl ether, diethyl ether, ethyl ether
     
  3. A cryptocurrency generated by the Ethereum protocol
    - Ether, ETH
     
  4. A medium that was once supposed to fill all space and to support the propagation of electromagnetic waves
    - aether
     
  5. [archaic] The fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies
    - quintessence [archaic]

Derived forms: ethers

Type of: crypto [informal], cryptocurrency, element, inhalation anaesthetic, inhalation anesthetic, inhalation general anaesthetic, inhalation general anesthetic, medium, organic compound

Encyclopedia: Ether