impurity

The condition of being impure; because of contamination, pollution, adulteration or insufficient purification.

Even animals in the Jewish system cause impurity only when they are dead.

A component or additive that renders something else impure.

The impurities in the iron ore made extraction of the iron very difficult.

An artificial kidney these days still means a refrigerator-sized dialysis machine. Such devices mimic the way real kidneys cleanse blood and eject impurities and surplus water as urine.

A state of immorality or sin; especially the weakness of the flesh: inchastity.

With his cheating, lying and stealing, he epitomised the impurity of humanity.