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1. The ratio of live births in an area to the population of that area; expressed per 1000 population per year
   - birthrate, birth rate, fertility rate, natality
    
2. The state of being fertile; capable of producing offspring
   - fecundity
    
3. The property of producing abundantly and sustaining vigorous and luxuriant growth
   "he praised the fertility of the soil";
   - richness, rankness, prolificacy

Derived forms: fertilities

See also: fertile, infertile, sterile, unfertile

Type of: fecundity, fruitfulness, physical condition, physiological condition, physiological state, rate

Encyclopedia: Fertility, Pennsylvania