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单词 impurity
释义

WordReference Random House Learner's Dictionary of American English © 2024
im•pu•ri•ty /ɪmˈpyʊrɪti/USA pronunciation   n. 
    1. [countable] a substance mixed with some other substance, making the other substance no longer pure:Remove the impurities from the gasoline before it is ignited.
  • the quality or state of being impure:[uncountable]the sin of impurity.
    • See -pur-.
    WordReference Random House Unabridged Dictionary of American English © 2024
    im•pu•ri•ty  (im pyŏŏr′i tē),USA pronunciation n., pl. -ties for 2.
    1. the quality or state of being impure.
    2. Often, impurities. something that is or makes impure:After the flood the authorities warned against impurities in the drinking water.
    • Latin impūritās. See impure, -ity
    • late Middle English impurite 1400–50
      • 1.See corresponding entry in Unabridged contamination, pollution, taint.

    Collins Concise English Dictionary © HarperCollins Publishers::
    impurity /ɪmˈpjʊərɪtɪ/ n ( pl -ties)
    1. the quality of being impure
    2. an impure thing, constituent, or element: impurities in the water
    3. a small quantity of an element added to a pure semiconductor crystal to control its electrical conductivity
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    更新时间：2025/7/23 11:59:54