"原関数" meaning in 日本語

{
  "antonyms": [
    {
      "word": "像関数"
    }
  ],
  "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 国際音声記号あり",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "写像ℒ:f→Fの原像となる関数。"
  ],
  "forms": [
    {
      "form": "げんかんすう"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "日本語 微分積分学",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "ラプラス変換をℒ[f(x)](x)=F(s)と書いたときのf(x)のこと。表関数。"
      ],
      "id": "ja-原関数-ja-noun-pGQIQZol",
      "raw_tags": [
        "微分積分学"
      ]
    }
  ],
  "sounds": [
    {
      "form": "げんかんすう",
      "raw_tags": [
        "東京式"
      ],
      "roman": "[gèńkáńsúꜜù]",
      "tags": [
        "Nakadaka"
      ]
    },
    {
      "ipa": "[ɡẽ̞ŋkã̠ɰ̃sɨᵝː]"
    }
  ],
  "word": "原関数"
}

{
  "antonyms": [
    {
      "word": "像関数"
    }
  ],
  "categories": [
    "日本語",
    "日本語 名詞",
    "日本語 国際音声記号あり"
  ],
  "etymology_texts": [
    "写像ℒ:f→Fの原像となる関数。"
  ],
  "forms": [
    {
      "form": "げんかんすう"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        "日本語 微分積分学"
      ],
      "glosses": [
        "ラプラス変換をℒ[f(x)](x)=F(s)と書いたときのf(x)のこと。表関数。"
      ],
      "raw_tags": [
        "微分積分学"
      ]
    }
  ],
  "sounds": [
    {
      "form": "げんかんすう",
      "raw_tags": [
        "東京式"
      ],
      "roman": "[gèńkáńsúꜜù]",
      "tags": [
        "Nakadaka"
      ]
    },
    {
      "ipa": "[ɡẽ̞ŋkã̠ɰ̃sɨᵝː]"
    }
  ],
  "word": "原関数"
}