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Noun: impurity  im'pyûr-i-tee
  1. Worthless or dangerous material that should be removed
    "there were impurities in the water";
    - dross
  2. The condition of being impure
    - impureness

Derived forms: impurities

Type of: condition, status, waste, waste material, waste matter, waste product

Antonym: pureness

Encyclopedia: Impurity