"lambda" meaning in Italian

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      "expansion": "lambda m or f (invariable)",
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  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
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      "categories": [
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          "_dis": "84 16",
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          "kind": "topical",
          "langcode": "it",
          "name": "Greek letter names",
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            "Communication"
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      "tags": [
        "feminine",
        "invariable",
        "masculine"
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  "word": "lambda"
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      "expansion": "lambda m (invariable)",
      "name": "it-noun"
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  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "it",
          "name": "Anatomy",
          "orig": "it:Anatomy",
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            "Medicine",
            "Sciences",
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        "lambda"
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        "(anatomy) lambda"
      ],
      "tags": [
        "invariable",
        "masculine"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "wikipedia": [
    "it:lambda"
  ],
  "word": "lambda"
}

{
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    "Italian entries with incorrect language header",
    "Italian feminine nouns",
    "Italian indeclinable nouns",
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    "Italian masculine nouns",
    "Italian nouns",
    "Italian nouns with irregular gender",
    "Italian nouns with multiple genders",
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      "expansion": "lambda m or f (invariable)",
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  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
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        "masculine"
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    }
  ],
  "wikipedia": [
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  ],
  "word": "lambda"
}

{
  "categories": [
    "Italian countable nouns",
    "Italian entries with incorrect language header",
    "Italian feminine nouns",
    "Italian indeclinable nouns",
    "Italian lemmas",
    "Italian masculine nouns",
    "Italian nouns",
    "Italian nouns with irregular gender",
    "Italian nouns with multiple genders",
    "it:Greek letter names"
  ],
  "head_templates": [
    {
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        "2": "#"
      },
      "expansion": "lambda m (invariable)",
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  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "it:Anatomy"
      ],
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        "lambda"
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      ],
      "raw_glosses": [
        "(anatomy) lambda"
      ],
      "tags": [
        "invariable",
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      "topics": [
        "anatomy",
        "medicine",
        "sciences"
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  "word": "lambda"
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