leachate
/ˈlitʃeɪt/
noun
- Liquid that has passed through or drained from a material, often carrying dissolved substances from that material.
- The landfill's leachate must be treated before it can be released into the river.
- Scientists tested the leachate from the compost pile for nutrients.
- Rainwater creates leachate as it filters through piles of mining waste.