"mathcore" meaning in English

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        "2": "math",
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  "etymology_text": "From math + -core, after math rock.",
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      "expansion": "mathcore (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "name": "English entries with incorrect language header",
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      "examples": [
        {
          "ref": "2006, CMJ New Music Monthly:",
          "text": "While all that herky-jerky mathcore in your collection might not fit the bill, put some Portishead on your Pod and the attached OhMiBod will respond rhythmically in kind.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A rhythmically complex and dissonant style of metalcore music."
      ],
      "id": "en-mathcore-en-noun-MQeCTBzF",
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          "music",
          "music"
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          "rhythmical",
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          "complex",
          "complex"
        ],
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          "dissonant",
          "dissonant"
        ],
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          "metalcore",
          "metalcore"
        ]
      ],
      "raw_glosses": [
        "(music) A rhythmically complex and dissonant style of metalcore music."
      ],
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      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ]
    }
  ],
  "word": "mathcore"
}

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  ],
  "etymology_text": "From math + -core, after math rock.",
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        {
          "ref": "2006, CMJ New Music Monthly:",
          "text": "While all that herky-jerky mathcore in your collection might not fit the bill, put some Portishead on your Pod and the attached OhMiBod will respond rhythmically in kind.",
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      "glosses": [
        "A rhythmically complex and dissonant style of metalcore music."
      ],
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          "metalcore",
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        "(music) A rhythmically complex and dissonant style of metalcore music."
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