impurity

Word family noun purification purist purity ≠ impurity purifier impurenessadjective pure ≠ impure verb purify adverb purely impurely

im·pu·ri·ty /ɪmˈpjʊərəti $ -ˈpjʊr-/ noun (plural impurities)

1 [countableC usually plural]PURE a substance of a low quality that is contained in or mixed with something else, making it less pure 杂质

All natural minerals contain impurities.

凡天然矿物都含有杂质。

Our oatmeal face mask absorbs impurities from your skin.

我们的燕麦面膜能够吸收皮肤上的杂质。

2. [uncountableU]BAD BEHAVIOUR OR ACTIONS the state of being impure 不纯，掺杂

Examples 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.

词汇	impurity
释义	impurity Word family noun purification purist purity ≠ impurity purifier impurenessadjective pure ≠ impure verb purify adverb purely impurely im·pu·ri·ty /ɪmˈpjʊərəti $ -ˈpjʊr-/ noun (plural impurities) 1 [countableC usually plural]PURE a substance of a low quality that is contained in or mixed with something else, making it less pure 杂质 All natural minerals contain impurities. 凡天然矿物都含有杂质。 Our oatmeal face mask absorbs impurities from your skin. 我们的燕麦面膜能够吸收皮肤上的杂质。 2. [uncountableU]BAD BEHAVIOUR OR ACTIONS the state of being impure 不纯，掺杂 Examples 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.
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