leach

• Action de faire passer un liquide à travers un solide pour en extraire les substances solubles, ou résultat de ce processus. Peut aussi désigner l'extraction de substances par percolation.

The process of leaching, typically involving the removal of soluble substances from a solid by percolating liquid through it.

indénombrable

1. Leaching processC1formal

   The process by which soluble substances are washed out of soil, ore, or other material by the action of a percolating liquid.

   Lixiviation

   • The leach of minerals from the soil can affect plant growth.
   • Acid rain accelerates the leach of nutrients from the ground.
   • The leach of chemicals into the water supply is a major concern.

   Synonymesleachingpercolation

• Verbe décrivant le processus de percolation d'un liquide à travers une substance perméable en extrayant des composants solubles ; également utilisé au sens figuré pour désigner la perte ou l'élimination progressive de quelque chose.

A verb used to describe the process of a liquid percolating through a permeable substance, extracting soluble components; also used figuratively to mean draining or removing something gradually.

1. Percolate or drainB2formalscientific

   To cause a liquid to pass through a porous material or soil, often to extract soluble components.

   Lessiver, faire percoler

   • Rainwater leaches minerals from the soil.
   • The chemicals leached into the groundwater over time.
   • Farmers must be careful not to let fertilizers leach into nearby streams.

   Synonymesdrainfilterpercolateseepstrain

2. Permeate graduallyC1formalscientific

   To slowly pass through or spread into a substance or area.

   s'infiltrer progressivement

   • The dye leached through the fabric, creating a tie-dye effect.
   • Toxic waste can leach into the surrounding environment for decades.
   • The solution leached through the filter paper.

   Synonymesfilterinfiltrateoozepenetratepercolatepermeateseeptrickle

3. Extract by percolationC1formalscientific

   To remove soluble substances from a solid material by passing a liquid through it.

   lessiver

   • The process leaches the salt from the seaweed.
   • They leach the ore to extract the valuable metals.
   • The soil was leached of its nutrients after heavy rains.

   Synonymesdrainextractfilterpercolate