verb (used with object)
- to dissolve out soluble constituents from (ashes, soil, etc.) by percolation.
- to cause (water or other liquid) to percolate through something.
verb (used without object)
- (of ashes, soil, etc.) to undergo the action of percolating water.
- to percolate, as water.
- the act or process of leaching.
- a product or solution obtained by leaching; leachate.
- the material leached.
- a vessel for use in leaching.
- Bernard (Howell). 1887–1979, British potter, born in Hong Kong
- to remove or be removed from a substance by a percolating liquid
- to lose or cause to lose soluble substances by the action of a percolating liquid
- another word for percolate (def. 1), percolate (def. 2)
- the act or process of leaching
- a substance that is leached or the constituents removed by leaching
- a porous vessel for leaching
- a variant spelling of leech 2
v.Old English leccan “to moisten, water, wet, irrigate,” (see leak). The word disappears, then re-emerges late 18c. in a technological sense in reference to percolating liquids. Related: Leached; leaching. n.
- The removal of soluble material from a substance, such as soil or rock, through the percolation of water. Organic matter is typically removed from a soil horizon and soluble metals or salts from a rock by leaching. Leaching differs from eluviation in that it affects soluble, not suspended, material and often results in the complete removal of the material from the soil or rock.