“Leach” means to slowly drain or remove something, usually a liquid or dissolved substance, from one place to another. Picture water seeping through soil and carrying away nutrients—that’s leaching.
In everyday talk, people say “coffee grounds leach flavor into the water” or “rain can leach chemicals from plastic bottles into the soil.” Gardeners worry that too much watering will leach fertilizer away, and campers talk about how certain foods leach color onto their plates. It’s a quiet, gradual process that we notice only when something important—flavor, nutrients, or even harmful chemicals—starts disappearing or showing up somewhere it shouldn’t.
Meaning & Usage Examples
- “The heavy rain leached salt from the field.”
- “Plastic pipes can leach tiny amounts of lead if they’re old.”
- “Don’t over-brew the tea; it will leach bitterness into your cup.”
Common Contexts
- Gardening & farming: soil nutrients leaching away after heavy rain.
- Food & drink: flavors or colors leaching during cooking or brewing.
- Environment: toxic chemicals leaching into groundwater from landfills.
Does leach always mean something bad?
No. It’s just the process of draining or moving. It can be neutral or even helpful, like when compost leaches nutrients to feed plants.
Is “leech” the same as “leach”?
No. “Leech” is the worm that sucks blood; “leach” is the slow draining action.
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