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