waterproofing

/ˈwɔtərˌprufɪŋ/
noun
  1. The process or material used to make something resistant to water.
    • Good waterproofing is essential for any outdoor gear.
    • The waterproofing on the tent wore off after many uses.
    • We applied a layer of waterproofing to the wooden boat.
Synonyms
adjective
  1. Relating to or used for making something resistant to water.
    • He bought a waterproofing spray for his shoes.
    • The waterproofing membrane was installed under the tiles.
    • She read the instructions on the waterproofing kit carefully.
What does "waterproofing" mean? | whatsthatwordmean | whatsthatwordmean