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ether

 
Noun ether has 4 senses
  1. ether, ethoxyethane, divinyl ether, vinyl ether, diethyl ether, ethyl ether - a colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic
    --1 is a kind of inhalation anesthetic, inhalation anaesthetic, inhalation general anesthetic, inhalation general anaesthetic
    --1 has particulars: enflurane, Ethrane
    Derived forms: verb etherize1, verb etherify1
  2. quintessence, ether - the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies
    --2 is a kind of element
  3. ether - any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom
    --3 is a kind of
    organic compound
  4. ether, aether - a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves
    --4 is a kind of medium
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