"petrosilex" meaning in English

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  "etymology_text": "From petro- + silex.",
  "forms": [
    {
      "form": "petrosilexes",
      "tags": [
        "plural"
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      "expansion": "petrosilex (plural petrosilexes)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "topical",
          "langcode": "en",
          "name": "Minerals",
          "orig": "en:Minerals",
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      "examples": [
        {
          "ref": "1871, Thomas Egleston, Catalogue of Minerals, with Their Formulae and Crystalline Systems:",
          "text": "Petrosilex has given rise to different .",
          "type": "quote"
        },
        {
          "ref": "1884, Harvard University. Museum of Comparative Zoology, Bulletin: Geological series - Volume 1, page 399:",
          "text": "The name simple petrosilex seems to have been confined to the more apparenttly homogeneous felsites, while the term porphyritic petrosilex was given to those rocks supposed to have a base of simple petrosilex or of felsparoid which held enclosed porphyritic crystals.",
          "type": "quote"
        },
        {
          "ref": "1896, Arthur Winslow, Charles Doolittle Walcott, Florence Bascom, Contributions to the Cretaceous Paleontology of the Pacific:",
          "text": "A brief history of the word felsite and its synonyms in different countries (petrosilex, eurite, and ha:lleflinta) will serve to illustrate the unfitness of it and these allied terms for exact petrographical usage.",
          "type": "quote"
        }
      ],
      "glosses": [
        "felsite"
      ],
      "id": "en-petrosilex-en-noun-uABx1KMB",
      "links": [
        [
          "mineralogy",
          "mineralogy"
        ],
        [
          "felsite",
          "felsite"
        ]
      ],
      "raw_glosses": [
        "(mineralogy) felsite"
      ],
      "topics": [
        "chemistry",
        "geography",
        "geology",
        "mineralogy",
        "natural-sciences",
        "physical-sciences"
      ]
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      ],
      "glosses": [
        "A fine-grained, silica-rich rock composed of quartz and sometimes other minerals, similar to the chemical structure of hornstone but having a different texture."
      ],
      "id": "en-petrosilex-en-noun-pYOPdsdw",
      "links": [
        [
          "mineralogy",
          "mineralogy"
        ],
        [
          "hornstone",
          "hornstone"
        ]
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      "raw_glosses": [
        "(mineralogy) A fine-grained, silica-rich rock composed of quartz and sometimes other minerals, similar to the chemical structure of hornstone but having a different texture."
      ],
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        "chemistry",
        "geography",
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  ],
  "word": "petrosilex"
}

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    "English terms prefixed with petro-",
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  ],
  "etymology_text": "From petro- + silex.",
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  "lang_code": "en",
  "pos": "noun",
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          "ref": "1871, Thomas Egleston, Catalogue of Minerals, with Their Formulae and Crystalline Systems:",
          "text": "Petrosilex has given rise to different .",
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        },
        {
          "ref": "1884, Harvard University. Museum of Comparative Zoology, Bulletin: Geological series - Volume 1, page 399:",
          "text": "The name simple petrosilex seems to have been confined to the more apparenttly homogeneous felsites, while the term porphyritic petrosilex was given to those rocks supposed to have a base of simple petrosilex or of felsparoid which held enclosed porphyritic crystals.",
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        },
        {
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        }
      ],
      "glosses": [
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          "felsite",
          "felsite"
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        "(mineralogy) felsite"
      ],
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        "physical-sciences"
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      ],
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          "mineralogy",
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        "geography",
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  ],
  "word": "petrosilex"
}