"diagonal element" meaning in English

{
  "forms": [
    {
      "form": "diagonal elements",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "diagonal element (plural diagonal elements)",
      "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": "Japanese terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Linear algebra",
          "orig": "en:Linear algebra",
          "parents": [
            "Algebra",
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An element on the main diagonal of a square matrix, that is, an element in row k and column k where k is an integer between 1 and the number of rows (or columns) in the matrix."
      ],
      "id": "en-diagonal_element-en-noun-SWCSfxpr",
      "links": [
        [
          "linear algebra",
          "linear algebra"
        ],
        [
          "main diagonal",
          "main diagonal"
        ],
        [
          "square matrix",
          "square matrix"
        ]
      ],
      "raw_glosses": [
        "(linear algebra) An element on the main diagonal of a square matrix, that is, an element in row k and column k where k is an integer between 1 and the number of rows (or columns) in the matrix."
      ],
      "topics": [
        "linear-algebra",
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "code": "et",
          "lang": "Estonian",
          "sense": "element on the main diagonal of a square matrix",
          "word": "diagonaalelement"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "element on the main diagonal of a square matrix",
          "word": "diagonaalialkio"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "element on the main diagonal of a square matrix",
          "tags": [
            "masculine"
          ],
          "word": "élément diagonal"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "element on the main diagonal of a square matrix",
          "tags": [
            "masculine"
          ],
          "word": "coefficient diagonal"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "taikaku yōso",
          "sense": "element on the main diagonal of a square matrix",
          "word": "対角要素"
        }
      ]
    }
  ],
  "word": "diagonal element"
}

{
  "forms": [
    {
      "form": "diagonal elements",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "diagonal element (plural diagonal elements)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Japanese terms with redundant script codes",
        "en:Linear algebra"
      ],
      "glosses": [
        "An element on the main diagonal of a square matrix, that is, an element in row k and column k where k is an integer between 1 and the number of rows (or columns) in the matrix."
      ],
      "links": [
        [
          "linear algebra",
          "linear algebra"
        ],
        [
          "main diagonal",
          "main diagonal"
        ],
        [
          "square matrix",
          "square matrix"
        ]
      ],
      "raw_glosses": [
        "(linear algebra) An element on the main diagonal of a square matrix, that is, an element in row k and column k where k is an integer between 1 and the number of rows (or columns) in the matrix."
      ],
      "topics": [
        "linear-algebra",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "et",
      "lang": "Estonian",
      "sense": "element on the main diagonal of a square matrix",
      "word": "diagonaalelement"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "element on the main diagonal of a square matrix",
      "word": "diagonaalialkio"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "element on the main diagonal of a square matrix",
      "tags": [
        "masculine"
      ],
      "word": "élément diagonal"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "element on the main diagonal of a square matrix",
      "tags": [
        "masculine"
      ],
      "word": "coefficient diagonal"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "taikaku yōso",
      "sense": "element on the main diagonal of a square matrix",
      "word": "対角要素"
    }
  ],
  "word": "diagonal element"
}