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We found 48 dictionaries with English definitions that include the word rd:
Click on the first link on a line below to go directly to a page where "rd" is defined.

General (19 matching dictionaries)

1. RD, -rd, rd: Merriam-Webster.com [home, info]
2. RD, Rd, rd: Oxford Dictionaries [home, info]
3. RD, Rd, rd: American Heritage Dictionary of the English Language [home, info]
4. rd: Collins English Dictionary [home, info]
5. Rd: Macmillan Dictionary [home, info]
6. R.D, RD, Rd, rd, rd, rD: Wordnik [home, info]
7. Rd, rd: Cambridge Advanced Learner's Dictionary [home, info]
8. RD, Rd, -rd, rd: Wiktionary [home, info]
9. rd: Webster's New World College Dictionary, 4th Ed. [home, info]
10. RD, Rd: The Wordsmyth English Dictionary-Thesaurus [home, info]
11. Rd: Infoplease Dictionary [home, info]
12. Rd, r.d, rd: Dictionary.com [home, info]
13. rd: Cambridge Dictionary of American English [home, info]
14. RD (girl group), RD (group), RD, Rd: Wikipedia, the Free Encyclopedia [home, info]
15. R.D, RD: Stammtisch Beau Fleuve Acronyms [home, info]
16. rd: Free Dictionary [home, info]
17. RD, RD, Rd: Dictionary/thesaurus [home, info]

Art (2 matching dictionaries)

18. RD: Glossary of Stamp Collecting Terms [home, info]
19. Rd, Rd: Glossary of Stamp Collecting Terms [home, info]

Business (5 matching dictionaries)

20. R&D: Webster's New World Finance & Investment Dictionary [home, info]
21. RD: Accounting Glossary [home, info]
22. RD: Glossary of Education Terms and Acronyms [home, info]
23. RD: Financial dictionary [home, info]
24. r.d: Glossary of Trade and Shipping Terms [home, info]

Computing (6 matching dictionaries)

25. RD: Netlingo [home, info]
26. RD: CCI Computer [home, info]
27. RD: BABEL: Computer Oriented Abbreviations and Acronyms [home, info]
28. RD: CNET Internet Glossary [home, info]
29. RD: SMS Dictionary [home, info]
30. RD, rd: Encyclopedia [home, info]

Medicine (2 matching dictionaries)

31. RD: online medical dictionary [home, info]
32. RD: Medical dictionary [home, info]

Miscellaneous (4 matching dictionaries)

33. RD, RD, RD: Terminology and Descriptions of Geneaological Words [home, info]
34. RD: Acronym Finder [home, info]
35. RD: AbbreviationZ [home, info]
36. RD: United States Postal Service Official Abbreviations [home, info]

Science (2 matching dictionaries)

37. rd: Environmental Terminology Discovery Service [home, info]
38. RD: A Dictionary of Quaternary Acronyms and Abbreviations [home, info]

Slang (1 matching dictionary)

39. R.D, RD, RD, RD: Urban Dictionary [home, info]

Sports (1 matching dictionary)

40. RD: Dog Fanciers Acronym List [home, info]

Tech (6 matching dictionaries)

41. RD: GEOGRAPHIC INFORMATION SYSTEMS, CARTOGRAPHY, AND REMOTE SENSING [home, info]
42. RD: AUTOMOTIVE TERMS [home, info]
43. RD: DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations [home, info]
44. RD: Energy Terms [home, info]
45. RD: Glossary of Agricultural Terms, Programs and Laws [home, info]
46. RD: Coin Collecting [home, info]

Quick definitions from Wiktionary (rd) ▸ noun:  Abbreviation of road. ▸ noun:  Abbreviation of rad (“unit of measure”). ▸ noun:  (knitting, firearms) Abbreviation of round. ▸ noun:  (astronomy) Initialism of red dwarf. ▸ noun:  (US) Initialism of restricted data. ▸ noun:  (US, uncountable) Initialism of rural delivery, formerly used when addressing mail. ▸ Words similar to rd ▸ Usage examples for rd ▸ Popular adjectives describing rd ▸ Words that often appear near rd ▸ Rhymes of rd ▸ Invented words related to rd