"graviturbation" meaning in English

{
  "etymology_templates": [
    {
      "args": {
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        "2": "gravi",
        "3": "turbation"
      },
      "expansion": "gravi- + turbation",
      "name": "prefix"
    }
  ],
  "etymology_text": "gravi- + turbation",
  "head_templates": [
    {
      "args": {
        "1": "-"
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      "expansion": "graviturbation (uncountable)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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        {
          "kind": "other",
          "name": "English terms prefixed with gravi-",
          "parents": [],
          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Geology",
          "orig": "en:Geology",
          "parents": [
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "The mixing of soil caused by movement (under gravity) down a slope"
      ],
      "id": "en-graviturbation-en-noun-KVW5tzeW",
      "links": [
        [
          "geology",
          "geology"
        ],
        [
          "mixing",
          "mixing"
        ],
        [
          "soil",
          "soil"
        ],
        [
          "gravity",
          "gravity"
        ],
        [
          "slope",
          "slope"
        ]
      ],
      "raw_glosses": [
        "(geology) The mixing of soil caused by movement (under gravity) down a slope"
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "geography",
        "geology",
        "natural-sciences"
      ]
    }
  ],
  "word": "graviturbation"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "gravi",
        "3": "turbation"
      },
      "expansion": "gravi- + turbation",
      "name": "prefix"
    }
  ],
  "etymology_text": "gravi- + turbation",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "graviturbation (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "English lemmas",
        "English nouns",
        "English terms prefixed with gravi-",
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      ],
      "glosses": [
        "The mixing of soil caused by movement (under gravity) down a slope"
      ],
      "links": [
        [
          "geology",
          "geology"
        ],
        [
          "mixing",
          "mixing"
        ],
        [
          "soil",
          "soil"
        ],
        [
          "gravity",
          "gravity"
        ],
        [
          "slope",
          "slope"
        ]
      ],
      "raw_glosses": [
        "(geology) The mixing of soil caused by movement (under gravity) down a slope"
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "geography",
        "geology",
        "natural-sciences"
      ]
    }
  ],
  "word": "graviturbation"
}