"Purbeck stone" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "1665, Robert Hooke, Micrographia, section XV",
          "text": "I could perceive several small winding holes, much like Worm-holes, as I have noted in some kind of Purbeck-stone, by looking on the surface of a piece newly flaw'd off […].",
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      "glosses": [
        "A type of hard limestone from the Isle of Purbeck, used for building and paving."
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  "word": "Purbeck stone"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "1665, Robert Hooke, Micrographia, section XV",
          "text": "I could perceive several small winding holes, much like Worm-holes, as I have noted in some kind of Purbeck-stone, by looking on the surface of a piece newly flaw'd off […].",
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      ],
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        "A type of hard limestone from the Isle of Purbeck, used for building and paving."
      ],
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  "word": "Purbeck stone"
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