We found 23 dictionaries that define the word waterproofing:

General (18 matching dictionaries)

1. waterproofing: Merriam-Webster
2. waterproofing: Collins English Dictionary
3. waterproofing: Vocabulary.com
4. Waterproofing, waterproofing: Wordnik
5. waterproofing: Cambridge Advanced Learner's Dictionary
6. waterproofing: Wiktionary
7. waterproofing: Webster's New World College Dictionary, 4th Ed.
8. waterproofing: The Wordsmyth English Dictionary-Thesaurus
9. waterproofing: Infoplease Dictionary
10. waterproofing: Dictionary.com
11. Waterproofing: Wikipedia, the Free Encyclopedia
12. Waterproofing: Online Plain Text English Dictionary
13. waterproofing: Webster's Revised Unabridged, 1913 Edition
14. waterproofing: Rhymezone
15. Waterproofing: AllWords.com Multi-Lingual Dictionary
16. waterproofing: FreeDictionary.org
17. waterproofing: Mnemonic Dictionary
18. waterproofing: TheFreeDictionary.com

Business (2 matching dictionaries)

19. Construction Term Glossary (No longer online)
20. waterproofing: Legal dictionary

Computing (1 matching dictionary)

21. waterproofing: Encyclopedia

Tech (2 matching dictionaries)

22. Roofing Terms (No longer online)
23. WATERPROOFING: Construction deterioration & building durability glossary

(Note: See waterproof as well.)

Definitions from Wiktionary (waterproofing) ▸ noun:  The treatment of something to make it waterproof. ▸ noun:  A waterproof material. Similar: sealing, damp proofing, hydrophobation, rustproofing, treatment, water repellent, metallic waterproofing, wetting, fireproofing, weatherizing, more... Opposite: water-permeable, water-absorbent, water-susceptible Types: silicone, polyurethane, polyethylene, polyester, acrylic, rubber, more... Phrases: membrane waterproofing, Basement waterproofing, Bituminous waterproofing, waterproofing spray, waterproofing substance, more... ▸ Words similar to waterproofing ▸ Usage examples for waterproofing ▸ Idioms related to waterproofing ▸ Wikipedia articles (New!) ▸ Popular adjectives describing waterproofing ▸ Words that often appear near waterproofing ▸ Rhymes of waterproofing ▸ Invented words related to waterproofing