absorption field

absorption field

[əb′sȯrp·shən ‚fēld] (civil engineering) Trenches containing coarse aggregate about distribution pipes permitting septic-tank effluent to seep into surrounding soil. Also known as disposal field.

absorption field, disposal field

absorption field composed of absorption trenches Extent of coarse aggregate indicated by shaded area A system of trenches containing coarse aggregate and distribution pipes through which septic-tank effluent may seep into the surrounding soil.