"sigmoidal" meaning in English

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  "etymology_text": "From sigmoid + -al.",
  "forms": [
    {
      "form": "more sigmoidal",
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        "comparative"
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      "form": "most sigmoidal",
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  "lang_code": "en",
  "pos": "adj",
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      "word": "sigmoidality"
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      "glosses": [
        "sigmoid; S-shaped."
      ],
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          "sigmoid",
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        [
          "S-shaped",
          "S-shaped#English"
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          "langcode": "en",
          "name": "Statistics",
          "orig": "en:Statistics",
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          "ref": "2009 January 7, Jeffrey R. Moffitt et al., “Intersubunit coordination in a homomeric ring ATPase”, in Nature, volume 457, number 7228, →DOI:",
          "text": "The requirement […] typically results in a sigmoidal dependence on [ATP] 38 —the hallmark of binding cooperativity.",
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        }
      ],
      "glosses": [
        "Characterized by a sigmoid curve or function"
      ],
      "id": "en-sigmoidal-en-adj-UzTfaSCM",
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          "statistics",
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      "raw_glosses": [
        "(statistics) Characterized by a sigmoid curve or function"
      ],
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        "mathematics",
        "sciences",
        "statistics"
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  "sounds": [
    {
      "rhymes": "-ɔɪdəl"
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  ],
  "word": "sigmoidal"
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  ],
  "etymology_text": "From sigmoid + -al.",
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    {
      "form": "sigmoidals",
      "tags": [
        "plural"
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  "pos": "noun",
  "senses": [
    {
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        "A sigmoidal function or curve"
      ],
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        [
          "function",
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          "curve",
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  "sounds": [
    {
      "rhymes": "-ɔɪdəl"
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  ],
  "word": "sigmoidal"
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  "etymology_text": "From sigmoid + -al.",
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      "form": "more sigmoidal",
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      "form": "most sigmoidal",
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    {
      "word": "sigmoidality"
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        "sigmoid; S-shaped."
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          "S-shaped",
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        "(statistics) Characterized by a sigmoid curve or function"
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    {
      "rhymes": "-ɔɪdəl"
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  "word": "sigmoidal"
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  "etymology_text": "From sigmoid + -al.",
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  "pos": "noun",
  "senses": [
    {
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        "A sigmoidal function or curve"
      ],
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  "word": "sigmoidal"
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