green-beard effect in English

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{
  "etymology_text": "From a hypothetical example used in Richard Dawkins' book The Selfish Gene (1976), whereby a person with a green beard acts altruistically towards other people with green beards.",
  "head_templates": [
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      "args": {},
      "expansion": "green-beard effect",
      "name": "en-proper noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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            "Entry maintenance"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Biology",
          "orig": "en:Biology",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "A hypothesis in evolutionary biology that explains selective altruism among individuals of a species, involving preferential treatment of individuals with certain characteristics."
      ],
      "id": "en-green-beard_effect-en-name-QaVCN0y1",
      "links": [
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          "biology"
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        [
          "selective",
          "selective"
        ],
        [
          "altruism",
          "altruism"
        ],
        [
          "species",
          "species"
        ],
        [
          "preferential",
          "preferential"
        ],
        [
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          "characteristic"
        ]
      ],
      "raw_glosses": [
        "(biology) A hypothesis in evolutionary biology that explains selective altruism among individuals of a species, involving preferential treatment of individuals with certain characteristics."
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    }
  ],
  "word": "green-beard effect"
}

[Show JSON for raw wiktextract data ▼] [Hide JSON for raw wiktextract data ▲]

{
  "etymology_text": "From a hypothetical example used in Richard Dawkins' book The Selfish Gene (1976), whereby a person with a green beard acts altruistically towards other people with green beards.",
  "head_templates": [
    {
      "args": {},
      "expansion": "green-beard effect",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English uncountable nouns",
        "en:Biology"
      ],
      "glosses": [
        "A hypothesis in evolutionary biology that explains selective altruism among individuals of a species, involving preferential treatment of individuals with certain characteristics."
      ],
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "selective",
          "selective"
        ],
        [
          "altruism",
          "altruism"
        ],
        [
          "species",
          "species"
        ],
        [
          "preferential",
          "preferential"
        ],
        [
          "treatment",
          "treatment"
        ],
        [
          "characteristic",
          "characteristic"
        ]
      ],
      "raw_glosses": [
        "(biology) A hypothesis in evolutionary biology that explains selective altruism among individuals of a species, involving preferential treatment of individuals with certain characteristics."
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    }
  ],
  "word": "green-beard effect"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-05-01 from the enwiktionary dump dated 2024-04-21 using wiktextract (f4fd8c9 and c9440ce). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

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"green-beard effect" meaning in English

Proper name