unpureness means the state or quality of being unpure; impurity. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
noun
- The state or quality of being unpure; impurity.
- That which is unpure; an impurity.“The unpurenesses caused by oxides such as Ti02, CaO, MgO, Na20 and S02 are not out of limit needed to be obeyed in the ceramic industry.”