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mercurial

adjective

  1. of Mercury (the god or planet)
  2. of or containing mercury
  3. caused by the action or use of mercury
  4. having qualities attributed to the god Mercury or supposedly influenced by the planet Mercury; eloquent, clever, shrewd, thievish, etc.
  5. having qualities suggestive of mercury; quick, quick-witted, volatile, changeable, fickle, etc.

noun

a drug or preparation containing mercury

Related Forms:

See mercurial in American Heritage Dictionary 4

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