ロングマン現代英英辞典よりimpurityim‧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 impureコーパスの例impurity• Ignorance and its sister, doubt, are the essence of all impurities and the source of every mental and spiritualelement.• Thus Ahuja's book is the very first in the literaturedevoted to the evaluation of impurities in drugs.• The fog, apart from being a mutatedorganism, now contains carbondioxide and various other impurities.• Workers add chemicals to removeimpurities such as sulphides.• Other sources of a suitable soda-rich mineral with the same specificimpuritypattern are difficult to suggest.• Lime is added to the liquidmetal to remove all the impurities.• With lasertechniques, however, the molecular energy levels of the impurities are quite different from the atomic ones.• They often contain toxicimpurities and may be an irritant to the skin.• There were impurities in the aluminum.
