"Jena glass" meaning in English

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  "etymology_text": "Calque of German Jenaer Glas. The glass was invented by Otto Schott in the city of Jena, Germany.",
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        "A type of fine-quality borosilicate glass with high resistance to shock and heat, used in science, technology, and tableware."
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          "code": "de",
          "lang": "German",
          "sense": "fine-quality borosilicate glass",
          "word": "Jenaer Glas"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "fine-quality borosilicate glass",
          "word": "jénai üveg"
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        "Otto Schott"
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  "word": "Jena glass"
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    {
      "code": "de",
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      "sense": "fine-quality borosilicate glass",
      "word": "Jenaer Glas"
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    {
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      "sense": "fine-quality borosilicate glass",
      "word": "jénai üveg"
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  "word": "Jena glass"
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