Word family noun purification purist purity ≠ impurity purifier adjective pure ≠ impure verb purify adverb purely
From Longman Dictionary of Contemporary Englishimpurityim‧pu‧ri‧ty /ɪmˈpjʊərəti $ -ˈpjʊr-/ noun (plural impurities) 1 [countable usually plural]PURE a substance of a low quality that is contained in or mixed with something else, making it less pure All natural minerals contain impurities. Our oatmeal face mask absorbs impurities from your skin.2 [uncountable]BAD BEHAVIOUR OR ACTIONS the state of being impureExamples from the Corpus
impurity• Ignorance and its sister, doubt, are the essence of all impurities and the source of every mental and spiritual element.• Thus Ahuja's book is the very first in the literature devoted to the evaluation of impurities in drugs.• The fog, apart from being a mutated organism, now contains carbon dioxide and various other impurities.• Workers add chemicals to remove impurities such as sulphides.• Other sources of a suitable soda-rich mineral with the same specific impurity pattern are difficult to suggest.• Lime is added to the liquid metal to remove all the impurities.• With laser techniques, however, the molecular energy levels of the impurities are quite different from the atomic ones.• They often contain toxic impurities and may be an irritant to the skin.• There were impurities in the aluminum. 