"約分" meaning in 日本語

See 約分 in All languages combined, or Wiktionary

Noun

IPA: [ja̠kɯ̟ᵝbɯ̟̃ᵝɴ] Forms: やくぶん
  1. 分数の分母と分子の両方からその公約数を割って、分母と分子の比を簡単にすること。
    Sense id: ja-約分-ja-noun-6ncygAmF Categories (other): 日本語 数学 Topics: mathematics
The following are not (yet) sense-disambiguated
Related terms: 分数, 既約分数 Translations: 約分 [Traditional Chinese] (中国語), 约分 [Simplified Chinese] (中国語), 약분 (朝鮮語), reduction (英語)

Verb

IPA: [ja̠kɯ̟ᵝbɯ̟̃ᵝɴ]
Forms: 約分, [imperfective], [imperfective], [imperfective], [continuative], する [terminal], する [attributive], すれ [hypothetical], しろ [imperative], せよ [imperative], 約分しない [negative], 未然形 + ない [negative], 約分せず [negative, archaic], 未然形 + ず [negative, archaic], 約分される [active, passive, possibly, honorific], 未然形 + れる [active, passive, possibly, honorific], 約分します [polite], 連用形 + ます [polite], 約分した [past, completive], 連用形 + た [past, completive], 約分する [definitive], 終止形のみ [definitive], 約分すること [noun-from-verb], 連体形 + こと [noun-from-verb], 約分すれば, 仮定形 + ば, 約分しろ [imperative], 約分せよ [imperative], 命令形のみ [imperative]
  1. Tags: no-gloss
    Sense id: ja-約分-ja-verb-47DEQpj8
The following are not (yet) sense-disambiguated
{
  "antonyms": [
    {
      "word": "通分"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 名詞 サ変動詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 国際音声記号あり",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "やくぶん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "related": [
    {
      "word": "分数"
    },
    {
      "word": "既約分数"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "日本語 数学",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "(123)/(456)を約分すると、(123)/(456)=((123)/3)/((456)/3)=(41)/(152)"
        },
        {
          "text": "(x+1)/((x+1)(x+2))を約分すると、(x+1)/((x+1)(x+2))=((x+1)/(x+1))/(((x+1)(x+2))/(x+1))=1/(x+2)"
        }
      ],
      "glosses": [
        "分数の分母と分子の両方からその公約数を割って、分母と分子の比を簡単にすること。"
      ],
      "id": "ja-約分-ja-noun-6ncygAmF",
      "topics": [
        "mathematics"
      ]
    }
  ],
  "sounds": [
    {
      "form": "やくぶん",
      "raw_tags": [
        "東京式"
      ],
      "roman": "[yàkúbúń]",
      "tags": [
        "Heiban"
      ]
    },
    {
      "ipa": "[ja̠kɯ̟ᵝbɯ̟̃ᵝɴ]"
    },
    {
      "form": "やくぶん",
      "raw_tags": [
        "京阪式"
      ],
      "tags": [
        "Nakadaka"
      ]
    }
  ],
  "translations": [
    {
      "lang": "英語",
      "lang_code": "en",
      "word": "reduction"
    },
    {
      "lang": "中国語",
      "lang_code": "zh",
      "tags": [
        "Traditional Chinese"
      ],
      "word": "約分"
    },
    {
      "lang": "中国語",
      "lang_code": "zh",
      "tags": [
        "Simplified Chinese"
      ],
      "word": "约分"
    },
    {
      "lang": "朝鮮語",
      "lang_code": "ko",
      "word": "약분"
    }
  ],
  "word": "約分"
}

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 動詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 動詞 サ変",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 国際音声記号あり",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "約分",
      "raw_tags": [
        "サ行変格活用",
        "語幹"
      ]
    },
    {
      "form": "し",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "imperfective"
      ]
    },
    {
      "form": "せ",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "imperfective"
      ]
    },
    {
      "form": "さ",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "imperfective"
      ]
    },
    {
      "form": "し",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "continuative"
      ]
    },
    {
      "form": "する",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "terminal"
      ]
    },
    {
      "form": "する",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "attributive"
      ]
    },
    {
      "form": "すれ",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "hypothetical"
      ]
    },
    {
      "form": "しろ",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "imperative"
      ]
    },
    {
      "form": "せよ",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "imperative"
      ]
    },
    {
      "form": "約分しない",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "negative"
      ]
    },
    {
      "form": "未然形 + ない",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "negative"
      ]
    },
    {
      "form": "約分せず",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "negative",
        "archaic"
      ]
    },
    {
      "form": "未然形 + ず",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "negative",
        "archaic"
      ]
    },
    {
      "form": "約分される",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "active",
        "passive",
        "possibly",
        "honorific"
      ]
    },
    {
      "form": "未然形 + れる",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "active",
        "passive",
        "possibly",
        "honorific"
      ]
    },
    {
      "form": "約分します",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "polite"
      ]
    },
    {
      "form": "連用形 + ます",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "polite"
      ]
    },
    {
      "form": "約分した",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "past",
        "completive"
      ]
    },
    {
      "form": "連用形 + た",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "past",
        "completive"
      ]
    },
    {
      "form": "約分する",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "definitive"
      ]
    },
    {
      "form": "終止形のみ",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "definitive"
      ]
    },
    {
      "form": "約分すること",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "noun-from-verb"
      ]
    },
    {
      "form": "連体形 + こと",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "noun-from-verb"
      ]
    },
    {
      "form": "約分すれば",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形",
        "仮定条件"
      ]
    },
    {
      "form": "仮定形 + ば",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合",
        "仮定条件"
      ]
    },
    {
      "form": "約分しろ",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "imperative"
      ]
    },
    {
      "form": "約分せよ",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "imperative"
      ]
    },
    {
      "form": "命令形のみ",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "imperative"
      ]
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "verb",
  "pos_title": "動詞",
  "senses": [
    {
      "id": "ja-約分-ja-verb-47DEQpj8",
      "tags": [
        "no-gloss"
      ]
    }
  ],
  "sounds": [
    {
      "form": "やくぶん",
      "raw_tags": [
        "東京式"
      ],
      "roman": "[yàkúbúń]",
      "tags": [
        "Heiban"
      ]
    },
    {
      "ipa": "[ja̠kɯ̟ᵝbɯ̟̃ᵝɴ]"
    },
    {
      "form": "やくぶん",
      "raw_tags": [
        "京阪式"
      ],
      "tags": [
        "Nakadaka"
      ]
    }
  ],
  "word": "約分"
}
{
  "antonyms": [
    {
      "word": "通分"
    }
  ],
  "categories": [
    "日本語",
    "日本語 名詞",
    "日本語 名詞 サ変動詞",
    "日本語 国際音声記号あり"
  ],
  "forms": [
    {
      "form": "やくぶん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "related": [
    {
      "word": "分数"
    },
    {
      "word": "既約分数"
    }
  ],
  "senses": [
    {
      "categories": [
        "日本語 数学"
      ],
      "examples": [
        {
          "text": "(123)/(456)を約分すると、(123)/(456)=((123)/3)/((456)/3)=(41)/(152)"
        },
        {
          "text": "(x+1)/((x+1)(x+2))を約分すると、(x+1)/((x+1)(x+2))=((x+1)/(x+1))/(((x+1)(x+2))/(x+1))=1/(x+2)"
        }
      ],
      "glosses": [
        "分数の分母と分子の両方からその公約数を割って、分母と分子の比を簡単にすること。"
      ],
      "topics": [
        "mathematics"
      ]
    }
  ],
  "sounds": [
    {
      "form": "やくぶん",
      "raw_tags": [
        "東京式"
      ],
      "roman": "[yàkúbúń]",
      "tags": [
        "Heiban"
      ]
    },
    {
      "ipa": "[ja̠kɯ̟ᵝbɯ̟̃ᵝɴ]"
    },
    {
      "form": "やくぶん",
      "raw_tags": [
        "京阪式"
      ],
      "tags": [
        "Nakadaka"
      ]
    }
  ],
  "translations": [
    {
      "lang": "英語",
      "lang_code": "en",
      "word": "reduction"
    },
    {
      "lang": "中国語",
      "lang_code": "zh",
      "tags": [
        "Traditional Chinese"
      ],
      "word": "約分"
    },
    {
      "lang": "中国語",
      "lang_code": "zh",
      "tags": [
        "Simplified Chinese"
      ],
      "word": "约分"
    },
    {
      "lang": "朝鮮語",
      "lang_code": "ko",
      "word": "약분"
    }
  ],
  "word": "約分"
}

{
  "categories": [
    "日本語",
    "日本語 動詞",
    "日本語 動詞 サ変",
    "日本語 国際音声記号あり"
  ],
  "forms": [
    {
      "form": "約分",
      "raw_tags": [
        "サ行変格活用",
        "語幹"
      ]
    },
    {
      "form": "し",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "imperfective"
      ]
    },
    {
      "form": "せ",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "imperfective"
      ]
    },
    {
      "form": "さ",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "imperfective"
      ]
    },
    {
      "form": "し",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "continuative"
      ]
    },
    {
      "form": "する",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "terminal"
      ]
    },
    {
      "form": "する",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "attributive"
      ]
    },
    {
      "form": "すれ",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "hypothetical"
      ]
    },
    {
      "form": "しろ",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "imperative"
      ]
    },
    {
      "form": "せよ",
      "raw_tags": [
        "サ行変格活用"
      ],
      "tags": [
        "imperative"
      ]
    },
    {
      "form": "約分しない",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "negative"
      ]
    },
    {
      "form": "未然形 + ない",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "negative"
      ]
    },
    {
      "form": "約分せず",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "negative",
        "archaic"
      ]
    },
    {
      "form": "未然形 + ず",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "negative",
        "archaic"
      ]
    },
    {
      "form": "約分される",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "active",
        "passive",
        "possibly",
        "honorific"
      ]
    },
    {
      "form": "未然形 + れる",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "active",
        "passive",
        "possibly",
        "honorific"
      ]
    },
    {
      "form": "約分します",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "polite"
      ]
    },
    {
      "form": "連用形 + ます",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "polite"
      ]
    },
    {
      "form": "約分した",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "past",
        "completive"
      ]
    },
    {
      "form": "連用形 + た",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "past",
        "completive"
      ]
    },
    {
      "form": "約分する",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "definitive"
      ]
    },
    {
      "form": "終止形のみ",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "definitive"
      ]
    },
    {
      "form": "約分すること",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "noun-from-verb"
      ]
    },
    {
      "form": "連体形 + こと",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "noun-from-verb"
      ]
    },
    {
      "form": "約分すれば",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形",
        "仮定条件"
      ]
    },
    {
      "form": "仮定形 + ば",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合",
        "仮定条件"
      ]
    },
    {
      "form": "約分しろ",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "imperative"
      ]
    },
    {
      "form": "約分せよ",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "語形"
      ],
      "tags": [
        "imperative"
      ]
    },
    {
      "form": "命令形のみ",
      "raw_tags": [
        "各活用形の基礎的な結合例",
        "結合"
      ],
      "tags": [
        "imperative"
      ]
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "verb",
  "pos_title": "動詞",
  "senses": [
    {
      "tags": [
        "no-gloss"
      ]
    }
  ],
  "sounds": [
    {
      "form": "やくぶん",
      "raw_tags": [
        "東京式"
      ],
      "roman": "[yàkúbúń]",
      "tags": [
        "Heiban"
      ]
    },
    {
      "ipa": "[ja̠kɯ̟ᵝbɯ̟̃ᵝɴ]"
    },
    {
      "form": "やくぶん",
      "raw_tags": [
        "京阪式"
      ],
      "tags": [
        "Nakadaka"
      ]
    }
  ],
  "word": "約分"
}

Download raw JSONL data for 約分 meaning in 日本語 (4.8kB)


This page is a part of the kaikki.org machine-readable 日本語 dictionary. This dictionary is based on structured data extracted on 2025-06-18 from the jawiktionary dump dated 2025-06-01 using wiktextract (074e7de and f1c2b61). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.