"basic reproduction number" meaning in English

{
  "forms": [
    {
      "form": "basic reproduction numbers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "basic reproduction number (plural basic reproduction numbers)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Epidemiology",
          "orig": "en:Epidemiology",
          "parents": [
            "Medicine",
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "The expected number of infection cases to be directly infected by an infected individual, given a population that is equally susceptible."
      ],
      "id": "en-basic_reproduction_number-en-noun-00zHdcy7",
      "links": [
        [
          "epidemiology",
          "epidemiology"
        ]
      ],
      "raw_glosses": [
        "(epidemiology) The expected number of infection cases to be directly infected by an infected individual, given a population that is equally susceptible."
      ],
      "synonyms": [
        {
          "word": "R-0"
        },
        {
          "word": "R0"
        },
        {
          "word": "R₀"
        },
        {
          "word": "basic reproduction rate"
        },
        {
          "word": "basic reproduction ratio"
        },
        {
          "word": "basic reproductive rate"
        },
        {
          "word": "basic reproductive ratio"
        },
        {
          "word": "basic reproductive number"
        }
      ],
      "topics": [
        "epidemiology",
        "medicine",
        "sciences"
      ],
      "translations": [
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "the expected number of infection cases",
          "word": "alap szaporodási ráta"
        }
      ],
      "wikipedia": [
        "en:basic reproduction number"
      ]
    }
  ],
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      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "word": "basic reproduction number"
}

{
  "forms": [
    {
      "form": "basic reproduction numbers",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "basic reproduction number (plural basic reproduction numbers)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with audio links",
        "en:Epidemiology"
      ],
      "glosses": [
        "The expected number of infection cases to be directly infected by an infected individual, given a population that is equally susceptible."
      ],
      "links": [
        [
          "epidemiology",
          "epidemiology"
        ]
      ],
      "raw_glosses": [
        "(epidemiology) The expected number of infection cases to be directly infected by an infected individual, given a population that is equally susceptible."
      ],
      "topics": [
        "epidemiology",
        "medicine",
        "sciences"
      ],
      "wikipedia": [
        "en:basic reproduction number"
      ]
    }
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      "tags": [
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      "text": "Audio (US)"
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  ],
  "synonyms": [
    {
      "word": "R-0"
    },
    {
      "word": "R0"
    },
    {
      "word": "R₀"
    },
    {
      "word": "basic reproduction rate"
    },
    {
      "word": "basic reproduction ratio"
    },
    {
      "word": "basic reproductive rate"
    },
    {
      "word": "basic reproductive ratio"
    },
    {
      "word": "basic reproductive number"
    }
  ],
  "translations": [
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "the expected number of infection cases",
      "word": "alap szaporodási ráta"
    }
  ],
  "word": "basic reproduction number"
}