"antidiagonal" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "anti-",
        "3": "diagonal"
      },
      "expansion": "anti- + diagonal",
      "name": "af"
    }
  ],
  "etymology_text": "From anti- + diagonal.",
  "forms": [
    {
      "form": "antidiagonals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "antidiagonal (plural antidiagonals)",
      "name": "en-noun"
    }
  ],
  "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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with anti-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Linear algebra",
          "orig": "en:Linear algebra",
          "parents": [
            "Algebra",
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "antidiagonally"
        }
      ],
      "glosses": [
        "The diagonal of a matrix that leads from top-right towards bottom-left."
      ],
      "id": "en-antidiagonal-en-noun-3zb3GCXT",
      "links": [
        [
          "linear algebra",
          "linear algebra"
        ],
        [
          "diagonal",
          "diagonal"
        ],
        [
          "matrix",
          "matrix"
        ]
      ],
      "raw_glosses": [
        "(linear algebra) The diagonal of a matrix that leads from top-right towards bottom-left."
      ],
      "related": [
        {
          "word": "main diagonal"
        }
      ],
      "synonyms": [
        {
          "word": "counterdiagonal"
        },
        {
          "word": "secondary diagonal"
        },
        {
          "word": "minor diagonal"
        },
        {
          "word": "anti-diagonal"
        }
      ],
      "topics": [
        "linear-algebra",
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "code": "el",
          "lang": "Greek",
          "roman": "antidiagónios",
          "sense": "the diagonal of a matrix that leads from top-right towards bottom-left",
          "word": "αντιδιαγώνιος"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "the diagonal of a matrix that leads from top-right towards bottom-left",
          "tags": [
            "feminine"
          ],
          "word": "antidiagonal"
        }
      ]
    }
  ],
  "word": "antidiagonal"
}

{
  "derived": [
    {
      "word": "antidiagonally"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "anti-",
        "3": "diagonal"
      },
      "expansion": "anti- + diagonal",
      "name": "af"
    }
  ],
  "etymology_text": "From anti- + diagonal.",
  "forms": [
    {
      "form": "antidiagonals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "antidiagonal (plural antidiagonals)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "main diagonal"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with anti-",
        "en:Linear algebra"
      ],
      "glosses": [
        "The diagonal of a matrix that leads from top-right towards bottom-left."
      ],
      "links": [
        [
          "linear algebra",
          "linear algebra"
        ],
        [
          "diagonal",
          "diagonal"
        ],
        [
          "matrix",
          "matrix"
        ]
      ],
      "raw_glosses": [
        "(linear algebra) The diagonal of a matrix that leads from top-right towards bottom-left."
      ],
      "topics": [
        "linear-algebra",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "counterdiagonal"
    },
    {
      "word": "secondary diagonal"
    },
    {
      "word": "minor diagonal"
    },
    {
      "word": "anti-diagonal"
    }
  ],
  "translations": [
    {
      "code": "el",
      "lang": "Greek",
      "roman": "antidiagónios",
      "sense": "the diagonal of a matrix that leads from top-right towards bottom-left",
      "word": "αντιδιαγώνιος"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "the diagonal of a matrix that leads from top-right towards bottom-left",
      "tags": [
        "feminine"
      ],
      "word": "antidiagonal"
    }
  ],
  "word": "antidiagonal"
}