"brainedness" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "brained",
        "3": "ness"
      },
      "expansion": "brained + -ness",
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    }
  ],
  "etymology_text": "From brained + -ness.",
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      "args": {
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      "expansion": "brainedness (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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          "name": "English terms suffixed with -ness",
          "parents": [],
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      ],
      "examples": [
        {
          "text": "Some say there is a link between right-handedness and left-brainedness.",
          "type": "example"
        }
      ],
      "glosses": [
        "The state or quality of having a particular type of brain."
      ],
      "id": "en-brainedness-en-noun-G15oFw7q",
      "links": [
        [
          "brain",
          "brain"
        ]
      ],
      "raw_glosses": [
        "(in combinations) The state or quality of having a particular type of brain."
      ],
      "raw_tags": [
        "in combinations"
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "brainedness"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "brained",
        "3": "ness"
      },
      "expansion": "brained + -ness",
      "name": "suffix"
    }
  ],
  "etymology_text": "From brained + -ness.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "brainedness (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "text": "Some say there is a link between right-handedness and left-brainedness.",
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        }
      ],
      "glosses": [
        "The state or quality of having a particular type of brain."
      ],
      "links": [
        [
          "brain",
          "brain"
        ]
      ],
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        "(in combinations) The state or quality of having a particular type of brain."
      ],
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        "in combinations"
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "brainedness"
}