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vitriol

noun

    1. any of several sulfates of metals, as copper sulfate (blue vitriol), iron sulfate (green vitriol), or zinc sulfate (white vitriol)
    2. sulfuric acid
  1. sharpness or bitterness of feeling, as in speech or writing; venom

transitive verb vitrioled or vitriolled, vitrioling or vitriolling

to treat with or as with vitriol

See vitriol in American Heritage Dictionary 4

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