"鋭角三角形" meaning in Japanese

{
  "antonyms": [
    {
      "roman": "donkaku sankakkei",
      "ruby": [
        [
          "鈍角三角形",
          "どんかくさんかっけい"
        ]
      ],
      "word": "鈍角三角形"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "鋭角",
        "3": "三角形",
        "t1": "acute angle",
        "t2": "triangle"
      },
      "expansion": "鋭角 (“acute angle”) + 三角形 (“triangle”)",
      "name": "compound"
    }
  ],
  "etymology_text": "鋭角 (“acute angle”) + 三角形 (“triangle”)",
  "forms": [
    {
      "form": "鋭角三角形",
      "ruby": [
        [
          "鋭",
          "えい"
        ],
        [
          "角",
          "かく"
        ],
        [
          "三",
          "さん"
        ],
        [
          "角",
          "かっ"
        ],
        [
          "形",
          "けい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "eikaku sankakkei",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "えいかく さんかっけい"
      },
      "expansion": "鋭(えい)角(かく)三(さん)角(かっ)形(けい) • (eikaku sankakkei)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 5 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with multiple readings",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "acute triangle (triangle all of the angles of which are acute)"
      ],
      "id": "en-鋭角三角形-ja-noun-PNkEUMbi",
      "links": [
        [
          "acute triangle",
          "acute triangle"
        ]
      ]
    }
  ],
  "word": "鋭角三角形"
}

{
  "antonyms": [
    {
      "roman": "donkaku sankakkei",
      "ruby": [
        [
          "鈍角三角形",
          "どんかくさんかっけい"
        ]
      ],
      "word": "鈍角三角形"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "鋭角",
        "3": "三角形",
        "t1": "acute angle",
        "t2": "triangle"
      },
      "expansion": "鋭角 (“acute angle”) + 三角形 (“triangle”)",
      "name": "compound"
    }
  ],
  "etymology_text": "鋭角 (“acute angle”) + 三角形 (“triangle”)",
  "forms": [
    {
      "form": "鋭角三角形",
      "ruby": [
        [
          "鋭",
          "えい"
        ],
        [
          "角",
          "かく"
        ],
        [
          "三",
          "さん"
        ],
        [
          "角",
          "かっ"
        ],
        [
          "形",
          "けい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "eikaku sankakkei",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "えいかく さんかっけい"
      },
      "expansion": "鋭(えい)角(かく)三(さん)角(かっ)形(けい) • (eikaku sankakkei)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese compound terms",
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms with 5 kanji",
        "Japanese terms with multiple readings",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "acute triangle (triangle all of the angles of which are acute)"
      ],
      "links": [
        [
          "acute triangle",
          "acute triangle"
        ]
      ]
    }
  ],
  "word": "鋭角三角形"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "鋭角三角形"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "鋭角三角形",
  "trace": ""
}