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leach1

[leech]
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verb (used with object)
  1. to dissolve out soluble constituents from (ashes, soil, etc.) by percolation.
  2. to cause (water or other liquid) to percolate through something.
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verb (used without object)
  1. (of ashes, soil, etc.) to undergo the action of percolating water.
  2. to percolate, as water.
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noun
  1. the act or process of leaching.
  2. a product or solution obtained by leaching; leachate.
  3. the material leached.
  4. a vessel for use in leaching.
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Origin of leach1

1425–75; late Middle English leche leachate, infusion, probably Old English *læc(e), *lec(e), akin to leccan to wet, moisten, causative of leak
Related formsleach·a·ble, adjectiveleach·a·bil·i·ty, nounleach·er, nounun·leached, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for leachability

Leach

noun
  1. Bernard (Howell). 1887–1979, British potter, born in Hong Kong
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leach1

verb
  1. to remove or be removed from a substance by a percolating liquid
  2. to lose or cause to lose soluble substances by the action of a percolating liquid
  3. another word for percolate (def. 1), percolate (def. 2)
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noun
  1. the act or process of leaching
  2. a substance that is leached or the constituents removed by leaching
  3. a porous vessel for leaching
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Derived Formsleacher, noun

Word Origin

C17: variant of obsolete letch to wet, perhaps from Old English leccan to water; related to leak

leach2

noun
  1. a variant spelling of leech 2
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for leachability

leach

v.

Old English leccan "to moisten, water, wet, irrigate," (see leak). The word disappears, then re-emerges late 18c. in a technological sense in reference to percolating liquids. Related: Leached; leaching.

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Online Etymology Dictionary, © 2010 Douglas Harper