1839 10 No. 47. 340 A substratum of earth, of greater water-absorbing properties than the pan-crust.
1918 Apr. 581/2 It consists..of small tubes containing sponge or some other water-absorbing material.
2007 C. Perrow (2011) ix. 318 FEMA relocated some communities following disastrous floods, turning the land into water-absorbing wetlands.