Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • intransitive verb To remove soluble or other constituents from by the action of a percolating liquid.
  • intransitive verb To empty; drain.
  • intransitive verb To be dissolved or passed out by a percolating liquid.
  • noun The act or process of leaching.
  • noun A porous, perforated, or sievelike vessel that holds material to be leached.
  • noun The substance through which a liquid is leached.

from The Century Dictionary.

  • noun Same as leash.
  • noun A tank in which hot water is passed through ground bark to obtain tannin. Also latch.
  • noun Same as latch.
  • noun A dish, of various kinds, served up in slices. It was sometimes a jelly flavored with spices.
  • To extract metal from (an ore) by subjecting it to chemical reagents which take the metal into solution.
  • noun See leech.
  • To cut into slices; slice.
  • To wash or drain by percolation of water; treat by downward drainage: as, to make lye by leaching ashes (the most familiar use of the word); the rains leach a gravelly soil.
  • To remove by percolation; drain away: as, to leach the alkali from wood-ashes.
  • See leech.
  • noun A separation of lye, or alkali in solution, as from wood-ashes, by percolation of water.
  • noun The material used for leaching, as wood-ashes.—3. A deep tub with a spigot inserted in the bottom, used in making potash. It holds from 6 to 8 bushels of wood-ashes.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb To remove the soluble constituents from by subjecting to the action of percolating water or other liquid.
  • transitive verb To dissolve out; -- often used with out.
  • noun (Naut.) See 3d leech.
  • noun A quantity of wood ashes, through which water passes, and thus imbibes the alkali.
  • noun A tub or vat for leaching ashes, bark, etc.
  • noun a wooden tub in which ashes are leached.
  • noun obsolete See leech, a physician.
  • intransitive verb To part with soluble constituents by percolation.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A quantity of wood ashes, through which water passes, and thus imbibes the alkali.
  • noun A tub or vat for leaching ashes, bark, etc.
  • noun nautical Alternative spelling of leech.
  • verb transitive To purge a soluble matter out of something by the action of a percolating fluid.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb cause (a liquid) to leach or percolate
  • verb permeate or penetrate gradually
  • noun the process of leaching
  • verb remove substances from by a percolating liquid

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[From Middle English leche, leachate, from Old English *lece, muddy stream; akin to leccan, to moisten.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English leche ("leachate"), from Old English *lǣċ, *lǣċe ("muddy stream"), from Proto-Germanic *lēkijō (“a leak, drain, flow”), from Proto-Germanic *lēk-, *lak-, *likanan (“to leak, drain”), from Proto-Indo-European *leg(')- (“to leak”). Cognate with Old English leċċan ("to water, moisten"), Old English lacu ("stream, pool, pond"). More at leak, lake.

Support

Help support Wordnik (and make this page ad-free) by adopting the word leach.

Examples

  • Trees on top of or even near septic tanks, sewer lines or in leach fields are to be avoided.

    Perfect plants to place over septic systems 2010

  • My understanding of the BPA issue is that BPA may leach from the polycarbonate after long use or repeated exposure to high and low temps.

    SIGG Eco-Friendly Kids Bottles | Inhabitat 2007

  • [133] The origin of the word leach (physician), which has puzzled some inquirers, is from lids or leac, a body.

    Harold : the Last of the Saxon Kings — Volume 12 Edward Bulwer Lytton Lytton 1838

  • [133] The origin of the word leach (physician), which has puzzled some inquirers, is from lids or leac, a body.

    Harold : the Last of the Saxon Kings — Complete Edward Bulwer Lytton Lytton 1838

  • They were already running one of these so-called leach mines near Corpus Christi.

    Yellow Dirt Judy Pasternak 2010

  • BPA has been shown to leach, which is a serious problem because it messes with hormones, disrupting them.

    Sustainable: Recycle 2009

  • BPA has been shown to leach, which is a serious problem because it messes with hormones, disrupting them.

    Sustainable: What's With Plastic? 2008

  • BPA has been shown to leach, which is a serious problem because it messes with hormones, disrupting them.

    Sustainable: May 2008 2008

  • I pay and you leach, that is why he is prez for a while, T-minus 31 months and counting.

    naplesnews.com Stories 2010

  • THIS PIECE OF WORK FOR ANY EVENT, AUDITION, ETC. "party in the usa" @ studio 429 featuring cassidy worley, margot leach, jacki lewis, tanner clark, keara geckeler, and bianca vallar.

    WN.com - Business News 2010

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.