"c.l." meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "c.l.",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "confidence level"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Due to its effect on the expansion rate of the Universe during Big Bang nucleosynthesis (BBN), the theoretical expectations for the primordial abundances of light elements depend on N_ν. Astrophysical measurements of the primordial ⁴He and ²D abundances lead to a value of N_ν = 3.14_-0.65 at 68% c.l., in very good agreement with the Standard Model expectation."
        }
      ],
      "glosses": [
        "Initialism of confidence level."
      ],
      "id": "en-c.l.-en-noun-m1WlyKaA",
      "links": [
        [
          "confidence level",
          "confidence level#English"
        ]
      ],
      "synonyms": [
        {
          "word": "CL"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "word": "c.l."
}

{
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "c.l.",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "confidence level"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English initialisms",
        "English lemmas",
        "English nouns",
        "English nouns with unknown or uncertain plurals",
        "English terms spelled with .",
        "English words without vowels"
      ],
      "examples": [
        {
          "text": "Due to its effect on the expansion rate of the Universe during Big Bang nucleosynthesis (BBN), the theoretical expectations for the primordial abundances of light elements depend on N_ν. Astrophysical measurements of the primordial ⁴He and ²D abundances lead to a value of N_ν = 3.14_-0.65 at 68% c.l., in very good agreement with the Standard Model expectation."
        }
      ],
      "glosses": [
        "Initialism of confidence level."
      ],
      "links": [
        [
          "confidence level",
          "confidence level#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "CL"
    }
  ],
  "word": "c.l."
}