fertility

Noun
  1. The ratio of live births in an area to the population of that area;
    Expressed per 1000 population per year (synset 115301413)
  2. The state of being fertile;
    Capable of producing offspring (synset 114074976)
  3. The property of producing abundantly and sustaining vigorous and luxuriant growth (synset 105154833)
    "he praised the richness of the soil"; "weeds lovely in their rankness"

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