"contact metamorphism" meaning in English

{
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    {
      "form": "contact metamorphisms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
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      "expansion": "contact metamorphism (usually uncountable, plural contact metamorphisms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Geology",
          "orig": "en:Geology",
          "parents": [
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Change to rock in physical contact with molten lava"
      ],
      "id": "en-contact_metamorphism-en-noun-jMOh0sqH",
      "links": [
        [
          "geology",
          "geology"
        ],
        [
          "rock",
          "rock"
        ],
        [
          "lava",
          "lava"
        ]
      ],
      "raw_glosses": [
        "(geology) Change to rock in physical contact with molten lava"
      ],
      "tags": [
        "uncountable",
        "usually"
      ],
      "topics": [
        "geography",
        "geology",
        "natural-sciences"
      ]
    }
  ],
  "word": "contact metamorphism"
}

{
  "forms": [
    {
      "form": "contact metamorphisms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
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      "expansion": "contact metamorphism (usually uncountable, plural contact metamorphisms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Geology"
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      "glosses": [
        "Change to rock in physical contact with molten lava"
      ],
      "links": [
        [
          "geology",
          "geology"
        ],
        [
          "rock",
          "rock"
        ],
        [
          "lava",
          "lava"
        ]
      ],
      "raw_glosses": [
        "(geology) Change to rock in physical contact with molten lava"
      ],
      "tags": [
        "uncountable",
        "usually"
      ],
      "topics": [
        "geography",
        "geology",
        "natural-sciences"
      ]
    }
  ],
  "word": "contact metamorphism"
}