"irreducible complexity" meaning in English

{
  "etymology_text": "Coined by Michael Behe in his 1996 book Darwin's Black Box.",
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      "expansion": "irreducible complexity (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "name": "Evolutionary theory",
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          "name": "Pseudoscience",
          "orig": "en:Pseudoscience",
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      ],
      "glosses": [
        "The proposition that complex organs such as eyes and flagella must have started existing in their current form; i.e., that they cannot have evolved from previous, less complex stages."
      ],
      "id": "en-irreducible_complexity-en-noun-jHwOIxdd",
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          "biology",
          "biology"
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          "pseudoscience",
          "pseudoscience"
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        [
          "eye",
          "eye"
        ],
        [
          "flagella",
          "flagellum"
        ],
        [
          "evolve",
          "evolve"
        ],
        [
          "stage",
          "stage"
        ]
      ],
      "raw_glosses": [
        "(biology, pseudoscience) The proposition that complex organs such as eyes and flagella must have started existing in their current form; i.e., that they cannot have evolved from previous, less complex stages."
      ],
      "related": [
        {
          "word": "irreducibly complex"
        },
        {
          "word": "evolution"
        },
        {
          "word": "creationism"
        },
        {
          "word": "natural selection"
        }
      ],
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        "uncountable"
      ],
      "topics": [
        "biology",
        "natural-sciences",
        "pseudoscience"
      ],
      "wikipedia": [
        "Darwin's Black Box",
        "Michael Behe",
        "irreducible complexity"
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    }
  ],
  "word": "irreducible complexity"
}

{
  "etymology_text": "Coined by Michael Behe in his 1996 book Darwin's Black Box.",
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      "expansion": "irreducible complexity (uncountable)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "irreducibly complex"
    },
    {
      "word": "evolution"
    },
    {
      "word": "creationism"
    },
    {
      "word": "natural selection"
    }
  ],
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        "en:Biology",
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      "glosses": [
        "The proposition that complex organs such as eyes and flagella must have started existing in their current form; i.e., that they cannot have evolved from previous, less complex stages."
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        [
          "biology",
          "biology"
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          "eye",
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        ],
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          "flagella",
          "flagellum"
        ],
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          "evolve",
          "evolve"
        ],
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          "stage",
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        "(biology, pseudoscience) The proposition that complex organs such as eyes and flagella must have started existing in their current form; i.e., that they cannot have evolved from previous, less complex stages."
      ],
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        "uncountable"
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        "Michael Behe",
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      ]
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  "word": "irreducible complexity"
}