1. the ratio of live births in an area to the population of that area; expressed per 1000 population per year

Similar word(s): birthrate, natality

Definition categories: time, rate

2. the state of being fertile; capable of producing offspring

Similar word(s): fecundity

Definition categories: state

3. the property of producing abundantly and sustaining vigorous and luxuriant growth

Similar word(s): prolificacy, rankness, richness

Definition categories: attribute, fecundity, fruitfulness

Sentences with fertility as a noun:

- Muckspreading increases the fertility of the soil.