We found 17 dictionaries that define the word proofing:

General (11 matching dictionaries)

1. proofing: Merriam-Webster
2. proofing: Collins English Dictionary
3. proofing: Vocabulary.com
4. Proofing, proofing: Wordnik
5. proofing: Cambridge Advanced Learner's Dictionary
6. proofing: Wiktionary
7. proofing: Infoplease Dictionary
8. proofing: Dictionary.com
9. Proofing (armour), Proofing (baking technique): Wikipedia, the Free Encyclopedia
10. proofing: TheFreeDictionary.com
11. Proofing: Wikipedia, the Free Encyclopedia

Business (2 matching dictionaries)

12. proofing: Legal dictionary
13. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

14. proofing: Encyclopedia

Medicine (1 matching dictionary)

15. proofing: Medical dictionary

Miscellaneous (1 matching dictionary)

16. proofing: Idioms

Tech (1 matching dictionary)

17. DOD Dictionary of Military Terms (No longer online)

(Note: See proof as well.)

Definitions from Wiktionary (proofing) ▸ noun:  A step in creating yeast breads and baked goods, during which the yeast is allowed to leaven the dough. Similar: validation, proofread, imperviable, impervious, proving, cogent evidence, test copy, validating, retarder, autolysis, more... Opposite: unproofing, deproving, disproving, refuting Types: spelling, grammar, punctuation, fact-checking, legal, more... Phrases: water proofing, flood proofing, sound proofing, damp proofing, fire proofing, more... Adjectives: damp, fire, sound, rat, water, soft, final, rust, future, flood, weather ▸ Words similar to proofing ▸ Usage examples for proofing ▸ Idioms related to proofing ▸ Wikipedia articles (New!) ▸ Popular adjectives describing proofing ▸ Words that often appear near proofing ▸ Rhymes of proofing ▸ Invented words related to proofing