leach
Plural
leaches
1
the process by which liquid passes through a material, dissolving and carrying away soluble components
- After each heavy rain, technicians measured soil leach to evaluate fertilizer runoff.
- Intensive irrigation accelerated the leach of nitrates into the aquifer.
- Environmentalists warn that pesticide leach poses a threat to nearby streams.
- High acidity in the rainwater increased rock leach throughout the watershed.
- Researchers study nutrient leach to develop more sustainable farming methods.
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