Dictionary

1leach

Definition of LEACH

variant of leech

Other Invertebrates (Except Insects) Terms

anemone, cephalopod, quahog

2leach

verb \ˈlēch\

: to remove (a chemical, a metal, etc.) from a substance by the action of a liquid passing through the substance : to release (a chemical, a metal, etc.) when a liquid passes through

of a chemical, a metal, etc. : to be removed from a substance by a liquid passing through the substance

Full Definition of LEACH

transitive verb
1
:  to dissolve out by the action of a percolating liquid <leach out alkali from ashes>
2
:  to subject to the action of percolating liquid (as water) in order to separate the soluble components
3
a :  to remove (nutritive or harmful elements) from soil by percolation
b :  to draw out or remove as if by percolation <all meaning has been leached from my life>
intransitive verb
:  to pass out or through by percolation
leach·abil·i·ty \ˌlē-chə-ˈbi-lə-tē\ noun
leach·able \ˈlē-chə-bəl\ adjective
leach·er noun

Examples of LEACH

  1. Even a small amount of rain can leach the toxic material from the soil.
  2. Certain kinds of treated wood can leach chemicals into the soil.
  3. The chemical eventually leaches away from the soil.

Origin of LEACH

leach vessel through which water is passed to extract lye
First Known Use: 1796
LEACHABILITY Defined for Kids

leach

verb
leachedleach·ing

Definition of LEACH for Kids

:  to remove or remove from by the action of a liquid passing through a substance <Water leaches minerals from soil.> <The soil was leached by the constant rain.>
Medical Dictionary

leach

transitive verb \ˈlēch\

Medical Definition of LEACH

1
:  to subject to the action of percolating liquid (as water) in order to separate the soluble components
2
:  to dissolve out by the action of a percolating liquid
intransitive verb
:  to pass out or through by percolation
leach·abil·i·ty \ˌlē-chə-ˈbil-ət-ē\ noun, plural leach·abil·i·ties
leach·able \ˈlē-chə-bəl\ adjective

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