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leach
1 ENTRIES FOUND:
leaches; leached; leaching
leaches; leached; leaching
Learner's definition of LEACH
technical
1
[+ object] : to remove (a chemical, a metal, etc.) from a substance by the action of a liquid passing through the substance滤除（化学品、金属等） : to release (a chemical, a metal, etc.) when a liquid passes through滤出（化学品、金属等）
- Even a small amount of rain can leach the toxic material from the soil.即使少量的雨水也能够将土壤里的有毒物质过滤掉。
- Certain kinds of treated wood can leach chemicals into the soil.某些经过处理的木材能够滤出化学品并使其进入土壤。
2
[no object] of a chemical, a metal, etc. : to be removed from a substance by a liquid passing through the substance（化学物质、金属等）被过滤，被滤除
- The chemical eventually leaches away from the soil.这种化学物质最终从土壤里被滤除。
less common spelling of leech
leached; leaching; leaches
2
: to subject to the action of percolating (see percolate sense 1a) liquid (such as water) in order to separate the soluble components
Example Sentences
Verb Even a small amount of rain can leach the toxic material from the soil. Certain kinds of treated wood can leach chemicals into the soil. The chemical eventually leaches away from the soil.
Recent Examples on the Web
Viveka Neveln, Better Homes & Gardens, 2 Sep. 2022 The advisory is based on research showing that PFAS can leach out of turnout gear onto firefighters' skin and potentially enter their bloodstream. Tom Costello, NBC News, 24 Aug. 2022 The chemicals break down slowly over time and leach into water and soil, and have been found in the blood of people and animals. Jen Christensen, CNN, 26 Aug. 2022 Packaging Avoid products that are packaged in plastic as this can leach into the oil. The Salt Lake Tribune, 19 May 2022 If the deceased has had chemotherapy, the liquid may leach out; then there’s embalming fluid, a potent chemical cocktail that contains formaldehyde, a carcinogen. William Ralston, Wired, 26 July 2022 The 18 million liters of embalming fluid that leach into US soil annually could fill six Olympic-size swimming pools. William Ralston, Wired, 26 July 2022 In its ruling, the agency said that Juul had provided insufficient and conflicting data about potentially harmful chemicals that could leach out of Juul’s proprietary e-liquid pods. Matt Richtel And Andrew Jacobs, BostonGlobe.com, 23 June 2022 Instead it was based on what the agency said was insufficient and conflicting data from the company about potentially harmful chemicals that could leach out of Juul’s e-liquid pods. New York Times, 23 June 2022 See More
Verb
Applied three or more times a year, this type of fertilizer greens a lawn fast but does nothing for the soil underneath because the chemicals eventually leach away. Viveka Neveln, Better Homes & Gardens, 2 Sep. 2022 The advisory is based on research showing that PFAS can leach out of turnout gear onto firefighters' skin and potentially enter their bloodstream. Tom Costello, NBC News, 24 Aug. 2022 The chemicals break down slowly over time and leach into water and soil, and have been found in the blood of people and animals. Jen Christensen, CNN, 26 Aug. 2022 Packaging Avoid products that are packaged in plastic as this can leach into the oil. The Salt Lake Tribune, 19 May 2022 If the deceased has had chemotherapy, the liquid may leach out; then there’s embalming fluid, a potent chemical cocktail that contains formaldehyde, a carcinogen. William Ralston, Wired, 26 July 2022 The 18 million liters of embalming fluid that leach into US soil annually could fill six Olympic-size swimming pools. William Ralston, Wired, 26 July 2022 In its ruling, the agency said that Juul had provided insufficient and conflicting data about potentially harmful chemicals that could leach out of Juul’s proprietary e-liquid pods. Matt Richtel And Andrew Jacobs, BostonGlobe.com, 23 June 2022 Instead it was based on what the agency said was insufficient and conflicting data from the company about potentially harmful chemicals that could leach out of Juul’s e-liquid pods. New York Times, 23 June 2022 See More Word History
Etymology
Verb
leach vessel through which water is passed to extract lye
Time Traveler
The first known use of leach was in 1796 👨🏻🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
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