fertility
n. uncountable B2 Upper Intermediate US //fɝˈtɪɫəti// UK //fɜːtˈɪlɪti// fer·til·i·ty
n. the ability to have children or produce young. It also describes how well soil can grow plants and crops.
n. the natural capability to produce offspring; in an agricultural context, the quality of soil that enables it to sustain plant growth.
The doctor discussed several ways to improve her fertility.
Farmers often add nutrients to the soil to maintain its fertility after a heavy harvest season.
While modern medicine has significantly extended the window of human fertility, environmental factors and lifestyle choices continue to play a substantial role in reproductive health outcomes.
Usage
Uncountable in both its biological and agricultural senses; rarely used in the plural except when comparing different types of soil.