คำว่า ' leach ' ( N )
มีความหมายในภาษาไทยว่า การกรอง
คำนิยามในภาษาอังกฤษ (definition) :
[n.] See 3d Leech.
[n.] A quantity of wood ashes, through which water passes, and thus imbibes the alkali.
[n.] A tub or vat for leaching ashes, bark, etc.
[v. t.] To remove the soluble constituents from by subjecting to the action of percolating water or other liquid; as, to leach ashes or coffee.
[v. t.] To dissolve out; -- often used with out; as, to leach out alkali from ashes.
[v. i.] To part with soluble constituents by percolation.
[n.] See Leech, a physician.