We found 20 dictionaries that define the word RIS:

General (10 matching dictionaries)

1. RI's, Ri's, Ris, Ris, ris, ris: Wordnik
2. RIS, RIs: Wiktionary
3. ris: Dictionary.com
4. RIS (disambiguation), RIS (file format), RIS, Ris (disambiguation), Ris: Wikipedia, the Free Encyclopedia
5. Ris: Online Plain Text English Dictionary
6. ris: Webster's Revised Unabridged, 1913 Edition
7. Ris: AllWords.com Multi-Lingual Dictionary
8. RIS: Stammtisch Beau Fleuve Acronyms
9. ris: FreeDictionary.org
10. Ris: TheFreeDictionary.com

Art (1 matching dictionary)

11. Glossary of Stamp Collecting Terms (No longer online)

Business (1 matching dictionary)

12. Construction Term Glossary (No longer online)

Computing (2 matching dictionaries)

13. Webopedia (No longer online)
14. RIS (disambiguation), RIS: Encyclopedia

Medicine (1 matching dictionary)

15. RIS (disambiguation), RIS: Medical dictionary

Miscellaneous (2 matching dictionaries)

16. RIS: Acronym Finder
17. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

18. ris: Urban Dictionary

Tech (2 matching dictionaries)

19. RIS: GEOGRAPHIC INFORMATION SYSTEMS, CARTOGRAPHY, AND REMOTE SENSING
20. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)

Definitions from Wiktionary (RIS) ▸ noun:  (firearms) Abbreviation of rail interface system. ▸ noun:  (medicine, software, initialism, acronym) Abbreviation of radiological information system. Similar: Hawn, FIS, NUS, tas, ge, nk, Pha, kes, ver, BLE, more... Opposite: fall, descend, drop, lower Types: basmati, arborio, carnaroli, japonica, long-grain, medium-grain, short-grain, more... Phrases: ris dagneau, Pasir Ris, Pasir Ris MRT station, give ris, high ris, more... Adjectives: easy, modal, different, own, most, good, african, progressive, high, various, constant ▸ Words similar to RIS ▸ Usage examples for RIS ▸ Idioms related to RIS ▸ Wikipedia articles (New!) ▸ Popular adjectives describing RIS ▸ Words that often appear near RIS ▸ Rhymes of RIS ▸ Invented words related to RIS