We found 5 dictionaries that define the word d/d:

General (2 matching dictionaries)

1. D/D: Webster's New World College Dictionary, 4th Ed.
2. d/d: Dictionary.com

Business (1 matching dictionary)

3. Glossary of Trade and Shipping Terms (No longer online)

Miscellaneous (2 matching dictionaries)

4. D/D: Acronym Finder
5. AbbreviationZ (No longer online)

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