vbl. sb. [f. WATERPROOF v. and sb. + -ING1.]
1. The action or process of making materials, etc., waterproof. Also attrib.
1845. G. Dodd, Brit. Manuf., Ser. V. 164. The cap is taken to the ‘water proofing’ room.
1852. Brande, Dict. Sci., etc., Suppl., Waterproofing … is most perfectly effected by means of caoutchouc,… but there are other substances, [etc.].
1857. Miller, Elem. Chem., Org., 509. Gutta percha … is also largely used as a waterproofing material.
1909. Westm. Gaz., 30 Aug., 2/1. The waterproofing of our roads is progressing rapidly.
2. a. The result of this process; the quality of being waterproof. b. Material with which a substance is made waterproof.
1882. Encycl. Brit. (ed. 9), XIV. 390/1. These materials … go to give the necessary substance, weight, and waterproofing to the leather.
1897. Daily News, 17 March, 3/6. By this time the flames had got well hold of the roof, which appeared to contain some highly inflammable waterproofing.
