impurity [impurities](a component or additive that renders something else impure) noun [UK: ɪm.ˈpjuː.rɪ.ti] [US: ˌɪm.ˈpjʊ.rə.ti]The pipe has a filter for impurities. = La tubería tiene un filtro para las impurezas.
impurezanoun {f}
taint(contamination, decay or putrefaction, especially in food) noun [UK: teɪnt] [US: ˈteɪnt]