leachverb [ T ]
uk/liːtʃ/us/liːtʃ/specialized[ I or T ] When a chemical substance leaches or is leached from a material, especially soil, it is removed by the action of water passing through the material:
The calcium, potassium, and magnesium ions are leached or washed out of the top soil into lower inaccessible subsoil.
[ T ] When soil, etc. has been leached, it has had chemical substances removed from it:
The soil has been so heavily leached through intensive farming that it is no longer fertile.
Thesaurus: synonyms and related words
Removing and getting rid of things
- abandon
- banish
- be scattered to the four winds idiom
- bin
- cast sb/sth aside/away/off
- flay
- fling sth/sb out
- flush sth out
- fly-tipping
- free sb from/of sth
- junk
- pension
- scrap
- shuffle
- throw sth away/out
- throw the baby out with the bathwater idiom
- toss sth aside
- toss sth out
- turf sth out
- weed
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You can also find related words, phrases, and synonyms in the topics:
Physical & chemical processes