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LEACH Definition & Meaning | Dictionary.com

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View synonyms for leach

leach

1

[ leech ]

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.


verb (used without object)

  1. (of ashes, soil, etc.) to undergo the action of percolating water.
  2. to percolate, as water.

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.

leach

2

[ leech ]

noun

Nautical.

Leach

1

/ liːtʃ /

noun

  1. LeachBernard (Howell)18871979MBritishHong KongARTS AND CRAFTS: potter Bernard ( Howell ). 1887–1979, British potter, born in Hong Kong
“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

leach

2

/ liːtʃ /

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 percolate
“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

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
“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

leach

3

/ liːtʃ /

noun

  1. a variant spelling of leech 2
“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
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Derived Forms

  • ˈleacher, noun
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Other Words From

  • leacha·ble adjective
  • leacha·bili·ty noun
  • leacher noun
  • un·leached adjective
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Word History and Origins

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
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Word History and Origins

Origin of leach1

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

The most alarmist was probably an offering from The Atlantic, which was headlined: “Throw Out Your Black Plastic Spatula/It’s probably leaching chemicals into your cooking oil.”

Non-biodegradable coffins are often made with harmful chemicals and bodies are embalmed using formaldehyde: a toxic substance which can leach into soil.

From BBC

They leach into the soil from landfills, have been spread on farms in fertilizer sludge, and eventually end up in waterways.

From Salon

As well as lithium-ion batteries, vapes also contain circuit boards which - if not disposed of properly - can leach toxic compounds such as cobalt and copper into the environment as they degrade.

From BBC

Toxic chemicals and heavy metals have been detected that could be leaching into the sediment — something local officials are not equipped to clean up on their own.

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