| 释义 |
leach
leachto dissolve out substances; to percolate
Not to be confused with:leech – bloodsucking worm; extortioner; spongerleach L0083600 (lēch)v. leached, leach·ing, leach·es v.tr.1. To remove soluble or other constituents from by the action of a percolating liquid: heavy rains that leached the soil of minerals.2. To remove from a substance by the action of a percolating liquid: acids in groundwater that leach calcium out of the bedrock.3. To empty; drain: "a world leached of pleasure, voided of meaning" (Marilynne Robinson).v.intr. To be dissolved or passed out by a percolating liquid.n.1. The act or process of leaching.2. A porous, perforated, or sievelike vessel that holds material to be leached.3. The substance through which a liquid is leached.
[From Middle English leche, leachate, from Old English *lece, muddy stream; akin to leccan, to moisten.]
leach′a·bil′i·ty n.leach′a·ble adj.leach′er n.leach (liːtʃ) vb1. to remove or be removed from a substance by a percolating liquid2. to lose or cause to lose soluble substances by the action of a percolating liquid3. another word for percolate1, percolate2n4. the act or process of leaching5. a substance that is leached or the constituents removed by leaching6. a porous vessel for leaching[C17: variant of obsolete letch to wet, perhaps from Old English leccan to water; related to leak] ˈleacher n
leach (liːtʃ) n (Nautical Terms) a variant spelling of leech2
Leach (liːtʃ) n (Biography) Bernard (Howell). 1887–1979, British potter, born in Hong Kongleach (litʃ)
v.t. 1. to dissolve out soluble constituents from (ashes, soil, etc.) by percolation. 2. to cause (water or other liquid) to percolate through something. v.i. 3. (of ashes, soil, etc.) to undergo the action of percolating water. 4. to percolate, as water. n. 5. a leaching. 6. the material leached. 7. a vessel for use in leaching. 8. leachate. [1425–75; late Middle English leche leachate, infusion] leach (lēch) To remove the soluble materials from a substance, such as ash or rock, by passing a liquid through or over it: Heavy rains leached minerals from the soil.leach
Past participle: leached
Gerund: leaching
| Present |
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| I leach | | you leach | | he/she/it leaches | | we leach | | you leach | | they leach |
| Preterite |
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| I leached | | you leached | | he/she/it leached | | we leached | | you leached | | they leached |
| Present Continuous |
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| I am leaching | | you are leaching | | he/she/it is leaching | | we are leaching | | you are leaching | | they are leaching |
| Present Perfect |
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| I have leached | | you have leached | | he/she/it has leached | | we have leached | | you have leached | | they have leached |
| Past Continuous |
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| I was leaching | | you were leaching | | he/she/it was leaching | | we were leaching | | you were leaching | | they were leaching |
| Past Perfect |
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| I had leached | | you had leached | | he/she/it had leached | | we had leached | | you had leached | | they had leached |
| Future |
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| I will leach | | you will leach | | he/she/it will leach | | we will leach | | you will leach | | they will leach |
| Future Perfect |
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| I will have leached | | you will have leached | | he/she/it will have leached | | we will have leached | | you will have leached | | they will have leached |
| Future Continuous |
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| I will be leaching | | you will be leaching | | he/she/it will be leaching | | we will be leaching | | you will be leaching | | they will be leaching |
| Present Perfect Continuous |
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| I have been leaching | | you have been leaching | | he/she/it has been leaching | | we have been leaching | | you have been leaching | | they have been leaching |
| Future Perfect Continuous |
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| I will have been leaching | | you will have been leaching | | he/she/it will have been leaching | | we will have been leaching | | you will have been leaching | | they will have been leaching |
| Past Perfect Continuous |
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| I had been leaching | | you had been leaching | | he/she/it had been leaching | | we had been leaching | | you had been leaching | | they had been leaching |
| Conditional |
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| I would leach | | you would leach | | he/she/it would leach | | we would leach | | you would leach | | they would leach |
| Past Conditional |
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| I would have leached | | you would have leached | | he/she/it would have leached | | we would have leached | | you would have leached | | they would have leached |
Thesaurus| Noun | 1. | leach - the process of leachingleachingnatural action, natural process, action, activity - a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity" | | Verb | 1. | leach - cause (a liquid) to leach or percolateremove, take away, withdraw, take - remove something concrete, as by lifting, pushing, or taking off, or remove something abstract; "remove a threat"; "remove a wrapper"; "Remove the dirty dishes from the table"; "take the gun from your pocket"; "This machine withdraws heat from the environment" | | 2. | leach - permeate or penetrate gradually; "the fertilizer leached into the ground"percolatedribble, trickle, filter - run or flow slowly, as in drops or in an unsteady stream; "water trickled onto the lawn from the broken hose"; "reports began to dribble in" | | 3. | leach - remove substances from by a percolating liquid; "leach the soil"stripremove, take away, withdraw, take - remove something concrete, as by lifting, pushing, or taking off, or remove something abstract; "remove a threat"; "remove a wrapper"; "Remove the dirty dishes from the table"; "take the gun from your pocket"; "This machine withdraws heat from the environment" |
leachverb extract, strain, drain, filter, seep, percolate, filtrate, lixiviate (Chemistry) Minerals leach from the soil much faster on cleared land.leachverbTo flow or leak out or emit something slowly:bleed, exude, ooze, percolate, seep, transpire, transude, weep.Translationsleach
leach away1. To become dissolved, eroded, or carried away, by or as by some percolating liquid. Nutrients in the soil have continued leaching away as the groundwater become more acidic. The calcium in the sandstone leached away over time as water levels rose.2. To dissolve, erode, or carry something away due to percolation. In this usage, a noun or pronoun can be used between "leach" and "away." Increasingly acidic water has been leaching away important minerals from the land. Over time, the saltwater leached the limestone away all along the coastline.See also: away, leachleach inTo enter (some substance or material) through percolation. Rising seas have allowed high concentrations of salt to leach in across these coastal farmlands. After the spill, acids and other toxins began leaching in on the cliffsides.See also: leachleach into (something)To enter into some substance or material through percolation. Rising seas have allowed high concentrations of salt to leach into the soil across these coastal farmlands. After the spill, acids and other toxins began leaching into the cliffsides these birds call home.See also: leachleach out of1. To become dissolved, eroded, or carried out of, by or as by some percolating liquid. Nutrients have continued leaching out of the soil as the groundwater become more acidic. Calcium leached out of the sandstone over time as water levels continued to rise.2. To dissolve, erode, or carry something out of due to percolation. In this usage, a noun or pronoun is used between "leach" and "out of." Increasingly acidic water has been leaching important minerals out of the land. Over time, the saltwater leached the limestone out of the cliffs along the coastline.See also: leach, of, outleach away[for something] to erode or wash away gradually by leaching. The soft sandstone leached away under the constant rains. The flowerpots sat out in the rain, where all the nutrients in the soil leached away.See also: away, leachleach in (to something)[for a substance] to seep or penetrate into something. The salt leached into the soil and ruined it. A tremendous amount of salt leached in.See also: leachleach out of something[for a substance] to seep or drain out of something. All the nutrients leached out of the soil and nothing would grow. The phosphorus leached out of the soil after a few years.See also: leach, of, outleach something away (from something) and leach something out (of something); leach something out; leach something awayto remove something from something by leaching. The heavy rains leached nutrients away from the soil. The rains leached away the nutrients.See also: away, leachLeach
Leach Bernard (Howell). 1887--1979, British potter, born in Hong Kong LEACH
| Acronym | Definition |
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| LEACH➣Low-Energy Adaptive Clustering Hierarchy (protocol) | | LEACH➣Law Enforcement Against Child Harm |
leach
Synonyms for leachverb extractSynonyms- extract
- strain
- drain
- filter
- seep
- percolate
- filtrate
- lixiviate
Synonyms for leachverb to flow or leak out or emit something slowlySynonyms- bleed
- exude
- ooze
- percolate
- seep
- transpire
- transude
- weep
Synonyms for leachnoun the process of leachingSynonymsRelated Words- natural action
- natural process
- action
- activity
verb cause (a liquid) to leach or percolateRelated Words- remove
- take away
- withdraw
- take
verb permeate or penetrate graduallySynonymsRelated Wordsverb remove substances from by a percolating liquidSynonymsRelated Words- remove
- take away
- withdraw
- take
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