"三角関数" meaning in 日語

{
  "categories": [
    {
      "kind": "other",
      "name": "使用「関」作為代用字代替「函」的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語複合詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語詞元",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有一年級漢字的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有二年級漢字的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有四個漢字的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有四年級漢字的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有國際音標的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有多個讀音的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "歷史假名遣包含「わ」的日語詞",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": "源自三角(さんかく) (sankaku) + 関数(かんすう) (kansū，“函數”)。\n関是用於取代函的代用字。",
  "forms": [
    {
      "form": "三角関数",
      "ruby": [
        [
          "三",
          "さん"
        ],
        [
          "角",
          "かく"
        ],
        [
          "関",
          "かん"
        ],
        [
          "数",
          "すう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sankaku kansū",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "さんかくくわんすう",
      "roman": "sankakukwansuu"
    }
  ],
  "lang": "日語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "日語 三角學",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "三角函數"
      ],
      "id": "zh-三角関数-ja-noun-RFuh9O4g",
      "topics": [
        "trigonometry"
      ]
    }
  ],
  "sounds": [
    {
      "other": "さんかくかんすう",
      "raw_tags": [
        "東京"
      ],
      "roman": "[sàńkákú káꜜǹsùù]"
    },
    {
      "ipa": "[sã̠ŋka̠kɯ̟̊ᵝ kã̠ɰ̃sɨᵝː]"
    }
  ],
  "word": "三角関数"
}

{
  "categories": [
    "使用「関」作為代用字代替「函」的日語詞",
    "日語名詞",
    "日語複合詞",
    "日語詞元",
    "有1個詞條的頁面",
    "有一年級漢字的日語詞",
    "有二年級漢字的日語詞",
    "有四個漢字的日語詞",
    "有四年級漢字的日語詞",
    "有國際音標的日語詞",
    "有多個讀音的日語詞",
    "有詞條的頁面",
    "歷史假名遣包含「わ」的日語詞"
  ],
  "etymology_text": "源自三角(さんかく) (sankaku) + 関数(かんすう) (kansū，“函數”)。\n関是用於取代函的代用字。",
  "forms": [
    {
      "form": "三角関数",
      "ruby": [
        [
          "三",
          "さん"
        ],
        [
          "角",
          "かく"
        ],
        [
          "関",
          "かん"
        ],
        [
          "数",
          "すう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sankaku kansū",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "さんかくくわんすう",
      "roman": "sankakukwansuu"
    }
  ],
  "lang": "日語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        "日語 三角學"
      ],
      "glosses": [
        "三角函數"
      ],
      "topics": [
        "trigonometry"
      ]
    }
  ],
  "sounds": [
    {
      "other": "さんかくかんすう",
      "raw_tags": [
        "東京"
      ],
      "roman": "[sàńkákú káꜜǹsùù]"
    },
    {
      "ipa": "[sã̠ŋka̠kɯ̟̊ᵝ kã̠ɰ̃sɨᵝː]"
    }
  ],
  "word": "三角関数"
}