Noun: impurity im'pyûr-i-tee
- Worthless or dangerous material that should be removed
"there were impurities in the water";
- dross
- The condition of being impure
"The impurity of the water sample necessitated further filtration";
- impureness
Derived forms: impurities
Type of: condition, status, waste, waste material, waste matter, waste product
Encyclopedia: Impurity