"fertility" in the noun sense
1. birthrate, birth rate, fertility, fertility rate, natality
the ratio of live births in an area to the population of that area expressed per 1000 population per year
2. fertility, fecundity
the state of being fertile capable of producing offspring
3. richness, rankness, prolificacy, fertility
the property of producing abundantly and sustaining vigorous and luxuriant growth
"he praised the richness of the soil"
"weeds lovely in their rankness"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License