"°C" meaning in Translingual

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "°C",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "m°C"
        },
        {
          "word": "μ°C"
        }
      ],
      "examples": [
        {
          "text": "Aldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich\nDecomposition of 4 in the presence of cis-piperylene at room temperature results in the stereocontrolled formation of trans-cycloheptadiene 27 in 90% ee (96% ee at -78 °C)."
        }
      ],
      "glosses": [
        "The symbol for degrees Celsius."
      ],
      "id": "en-°C-mul-symbol-2EeUEe2g",
      "links": [
        [
          "degrees Celsius",
          "degree Celsius"
        ]
      ],
      "related": [
        {
          "word": "°F"
        },
        {
          "word": "K"
        }
      ],
      "synonyms": [
        {
          "tags": [
            "dated"
          ],
          "word": "° C."
        }
      ]
    }
  ],
  "word": "°C"
}

{
  "derived": [
    {
      "word": "m°C"
    },
    {
      "word": "μ°C"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "symbol"
      },
      "expansion": "°C",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "symbol",
  "related": [
    {
      "word": "°F"
    },
    {
      "word": "K"
    }
  ],
  "senses": [
    {
      "categories": [
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        "Pages with entries",
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual symbols",
        "Translingual terms spelled with °"
      ],
      "examples": [
        {
          "text": "Aldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich\nDecomposition of 4 in the presence of cis-piperylene at room temperature results in the stereocontrolled formation of trans-cycloheptadiene 27 in 90% ee (96% ee at -78 °C)."
        }
      ],
      "glosses": [
        "The symbol for degrees Celsius."
      ],
      "links": [
        [
          "degrees Celsius",
          "degree Celsius"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "dated"
      ],
      "word": "° C."
    }
  ],
  "word": "°C"
}