Impurity

The left is abandoning issues like this entirely out of timidity, avoidance of impurity, or some other reason.

A silicon crystal with a band gap in which an impurity level is created near the top of the valence band has hole conductivity.

Impurity is beautiful.

Linguistic impurity is beautiful.

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

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.

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