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BNC: 16313 COCA: 16825

ether

noun
/ˈiːθə(r)/
/ˈiːθər/
[uncountable]
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  1. a clear liquid made from alcohol, used in industry as a solvent and, in the past, in medicine to make people unconscious before an operation醚;乙醚
  2. the ether
    (old use or literary) the upper part of the sky苍穹;苍天;太空
    • Her words disappeared into the ether.她的话消失在九霄云外。
  3. the ether
    the air, when it is thought of as the place in which radio or electronic communication takes place以太
    • The messages simply vanish into the ether after 24 hours.这些信息在24小时后就消失在空气中了。
  4. Word Originlate Middle English: from Old French, or via Latin from Greek aithēr ‘upper air’, from the base of aithein ‘burn, shine’. Originally the word denoted a substance believed to occupy space beyond the sphere of the moon. Sense (1) arose in the mid 18th cent.

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