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We found 25 dictionaries with English definitions that include the word rational number:
Click on the first link on a line below to go directly to a page where "rational number" is defined.

General (15 matching dictionaries)

1. rational number: Merriam-Webster.com [home, info]
2. rational number: American Heritage Dictionary of the English Language [home, info]
3. rational number: Collins English Dictionary [home, info]
4. rational number: Vocabulary.com [home, info]
5. rational-number, rational number: Wiktionary [home, info]
6. rational number: Infoplease Dictionary [home, info]
7. rational number: Dictionary.com [home, info]
8. rational number: UltraLingua English Dictionary [home, info]
9. Rational number: Wikipedia, the Free Encyclopedia [home, info]
10. rational number: Rhymezone [home, info]
11. rational number: Free Dictionary [home, info]
12. rational number: Mnemonic Dictionary [home, info]
13. rational number: WordNet 1.7 Vocabulary Helper [home, info]
14. rational number: LookWAYup Translating Dictionary/Thesaurus [home, info]
15. rational number: Dictionary/thesaurus [home, info]

Business (2 matching dictionaries)

16. Rational Number: Construction Term Glossary [home, info]
17. rational number: Legal dictionary [home, info]

Computing (2 matching dictionaries)

18. rational number: CCI Computer [home, info]
19. rational number: Encyclopedia [home, info]

Medicine (1 matching dictionary)

20. rational number: Medical dictionary [home, info]

Science (4 matching dictionaries)

21. Rational Number: Eric Weisstein's World of Mathematics [home, info]
22. Rational Number: The Computational Beauty of Nature [home, info]
23. rational number: PlanetMath Encyclopedia [home, info]
24. rational number, rational number: Prime [home, info]

Slang (1 matching dictionary)

25. rational number: Urban Dictionary [home, info]

(Note: See rational_numbers for more definitions.)

Quick definitions from WordNet (rational number) ▸ noun:  an integer or a fraction ▸ Also see rational_numbers ▸ Words similar to rational number ▸ Usage examples for rational number ▸ Words that often appear near rational number ▸ Rhymes of rational number ▸ Invented words related to rational number