"silicon nitride" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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        {
          "ref": "2005, Paolo Dario, Raja Chatila, Robotics Research: The Eleventh International Symposium, page 506:",
          "text": "This process provides an unpatternable sheet of silicon nitride that electrically isolates the devices […]",
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      "glosses": [
        "An inorganic polymer, of empirical formula Si₃N₄, used in ceramics and some transistors."
      ],
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      "raw_glosses": [
        "(chemistry) An inorganic polymer, of empirical formula Si₃N₄, used in ceramics and some transistors."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
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  "word": "silicon nitride"
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      ],
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        "An inorganic polymer, of empirical formula Si₃N₄, used in ceramics and some transistors."
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        "(chemistry) An inorganic polymer, of empirical formula Si₃N₄, used in ceramics and some transistors."
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        "physical-sciences"
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  "word": "silicon nitride"
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