"fractography" meaning in English

{
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        "2": "fracto-",
        "3": "-graphy"
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      "expansion": "fracto- + -graphy",
      "name": "af"
    }
  ],
  "etymology_text": "From fracto- + -graphy.",
  "forms": [
    {
      "form": "fractographies",
      "tags": [
        "plural"
      ]
    }
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      "expansion": "fractography (countable and uncountable, plural fractographies)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with fracto-",
          "parents": [],
          "source": "w"
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        {
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      ],
      "derived": [
        {
          "word": "fractographical"
        },
        {
          "word": "microfractography"
        }
      ],
      "glosses": [
        "The study of fracture surfaces of materials."
      ],
      "id": "en-fractography-en-noun-mzyFFsF8",
      "links": [
        [
          "fracture",
          "fracture"
        ],
        [
          "surface",
          "surface"
        ],
        [
          "material",
          "material"
        ]
      ],
      "related": [
        {
          "word": "fractograph"
        },
        {
          "word": "fractographic"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "fractographie"
        }
      ],
      "wikipedia": [
        "fractography"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɒɡɹəfi"
    }
  ],
  "word": "fractography"
}

{
  "derived": [
    {
      "word": "fractographical"
    },
    {
      "word": "microfractography"
    }
  ],
  "etymology_templates": [
    {
      "args": {
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      "name": "af"
    }
  ],
  "etymology_text": "From fracto- + -graphy.",
  "forms": [
    {
      "form": "fractographies",
      "tags": [
        "plural"
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  ],
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "fractograph"
    },
    {
      "word": "fractographic"
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      ],
      "glosses": [
        "The study of fracture surfaces of materials."
      ],
      "links": [
        [
          "fracture",
          "fracture"
        ],
        [
          "surface",
          "surface"
        ],
        [
          "material",
          "material"
        ]
      ],
      "tags": [
        "countable",
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      "wikipedia": [
        "fractography"
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  ],
  "sounds": [
    {
      "rhymes": "-ɒɡɹəfi"
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  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "fractographie"
    }
  ],
  "word": "fractography"
}