"二項演算" meaning in Japanese

{
  "forms": [
    {
      "form": "二項演算",
      "ruby": [
        [
          "二",
          "に"
        ],
        [
          "項",
          "こう"
        ],
        [
          "演",
          "えん"
        ],
        [
          "算",
          "ざん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nikōenzan",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "にこうえんざん"
      },
      "expansion": "二(に)項(こう)演(えん)算(ざん) • (nikōenzan)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Algebra",
          "orig": "ja:Algebra",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "binary operation"
      ],
      "id": "en-二項演算-ja-noun-~akNN9fd",
      "links": [
        [
          "algebra",
          "algebra"
        ],
        [
          "binary operation",
          "binary operation"
        ]
      ],
      "raw_glosses": [
        "(algebra) binary operation"
      ],
      "topics": [
        "algebra",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "二項演算"
}

{
  "forms": [
    {
      "form": "二項演算",
      "ruby": [
        [
          "二",
          "に"
        ],
        [
          "項",
          "こう"
        ],
        [
          "演",
          "えん"
        ],
        [
          "算",
          "ざん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nikōenzan",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "にこうえんざん"
      },
      "expansion": "二(に)項(こう)演(えん)算(ざん) • (nikōenzan)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with fifth grade kanji",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with four Han script characters",
        "ja:Algebra"
      ],
      "glosses": [
        "binary operation"
      ],
      "links": [
        [
          "algebra",
          "algebra"
        ],
        [
          "binary operation",
          "binary operation"
        ]
      ],
      "raw_glosses": [
        "(algebra) binary operation"
      ],
      "topics": [
        "algebra",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "二項演算"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "二項演算"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "二項演算",
  "trace": ""
}