"地温" meaning in Japanese

{
  "forms": [
    {
      "form": "地温",
      "ruby": [
        [
          "地",
          "ち"
        ],
        [
          "温",
          "おん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "chion",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "tiwon",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ちをん",
      "roman": "tiwon",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ちおん",
        "hhira": "ちをん"
      },
      "expansion": "地(ち)温(おん) • (chion) ^(←ちをん (tiwon)?)",
      "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 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "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"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Thermodynamics",
          "orig": "ja:Thermodynamics",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "roman": "chion kōbai",
          "ruby": [
            [
              "地",
              "ち"
            ],
            [
              "温",
              "おん"
            ],
            [
              "勾",
              "こう"
            ],
            [
              "配",
              "ばい"
            ]
          ],
          "word": "地温勾配"
        }
      ],
      "glosses": [
        "ground temperature"
      ],
      "id": "en-地温-ja-noun-qiKa-nJ1",
      "links": [
        [
          "ground",
          "ground"
        ],
        [
          "temperature",
          "temperature"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "ちおん"
    },
    {
      "ipa": "[t͡ɕiõ̞ɴ]"
    }
  ],
  "word": "地温"
}

{
  "derived": [
    {
      "roman": "chion kōbai",
      "ruby": [
        [
          "地",
          "ち"
        ],
        [
          "温",
          "おん"
        ],
        [
          "勾",
          "こう"
        ],
        [
          "配",
          "ばい"
        ]
      ],
      "word": "地温勾配"
    }
  ],
  "forms": [
    {
      "form": "地温",
      "ruby": [
        [
          "地",
          "ち"
        ],
        [
          "温",
          "おん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "chion",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "tiwon",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ちをん",
      "roman": "tiwon",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ちおん",
        "hhira": "ちをん"
      },
      "expansion": "地(ち)温(おん) • (chion) ^(←ちをん (tiwon)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms historically spelled with を",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with 2 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Thermodynamics"
      ],
      "glosses": [
        "ground temperature"
      ],
      "links": [
        [
          "ground",
          "ground"
        ],
        [
          "temperature",
          "temperature"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "ちおん"
    },
    {
      "ipa": "[t͡ɕiõ̞ɴ]"
    }
  ],
  "word": "地温"
}