noun
- water that exists underground in aquifers beneath the water table in soils and rock formations
Usage: geology; environmental science
Examples
- The well draws groundwater from deep beneath the farm.
- Contaminated groundwater can affect drinking water supplies for miles.
- During the drought, many communities relied on groundwater reserves.
- The factory’s chemical spill threatened to pollute the local groundwater.
- Groundwater naturally filters through layers of sand and rock.
- Scientists monitor groundwater levels to track environmental changes.