impurity
1. [ noun ] worthless material that should be removed
Synonyms: dross
Examples:

"there were impurities in the water"

Related terms: waste
2. [ noun ] the condition of being impure
Synonyms: impureness
Related terms: purity condition contamination pollution dirtiness putridity admixture adulteration
Similar spelling:   imprint
  impure
  imprinting
  imperil
  imperially
  imprison
  imperial