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单词 oleum
释义

WordReference Random House Unabridged Dictionary of American English © 2024
o•le•um  lē əm),USA pronunciation n., pl. o•le•a lē ə)USA pronunciation for 1, o•le•ums for 2.
  1. Drugs[Pharm.]oil.
  2. ChemistrySee pyrosulfuric acid. 
  • Latin: oil
  • 1900–05

Collins Concise English Dictionary © HarperCollins Publishers::
oleum /ˈəʊlɪəm/ n ( pl olea /ˈəʊlɪə/, oleums)
  1. another name for fuming sulphuric acid
Etymology: from Latin: oil, referring to its oily consistency
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