We found 31 dictionaries that define the word refractive index:

General (13 matching dictionaries)

1. refractive index: Merriam-Webster
2. refractive index: Oxford Learner's Dictionaries
3. refractive index: American Heritage Dictionary of the English Language
4. refractive index: Collins English Dictionary
5. refractive index: Vocabulary.com
6. refractive index: Wordnik
7. refractive index: Wiktionary
8. refractive index: Dictionary.com
9. Refractive index: Wikipedia, the Free Encyclopedia
10. refractive index: Rhymezone
11. refractive index: FreeDictionary.org
12. refractive index: Mnemonic Dictionary
13. refractive index: TheFreeDictionary.com

Art (1 matching dictionary)

14. REFRACTIVE INDEX: Glossary of Art Terms

Business (4 matching dictionaries)

15. Construction Term Glossary (No longer online)
16. refractive index: Legal dictionary
17. refractive index: Financial dictionary
18. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

19. refractive index: Encyclopedia

Medicine (4 matching dictionaries)

20. refractive index: Merriam-Webster Medical Dictionary
21. Dorland's Illustrated Medical Dictionary (No longer online)
22. online medical dictionary (No longer online)
23. refractive index: Medical dictionary

Science (1 matching dictionary)

24. Refractive Index: Eric Weisstein's World of Physics

Tech (7 matching dictionaries)

25. Refractive Index: Gems and Precious Stones
26. Glossary of Meteorology (No longer online)
27. Illustrated Glass Dictionary (No longer online)
28. National Weather Service Glossary (No longer online)
29. Schlumberger Oilfield Glossary (No longer online)
30. PhotoNotes Dictionary of Film and Digital Photography (No longer online)
31. Space and Electronic Warfare Lexicon (No longer online)

Definitions from Wiktionary (refractive index) ▸ noun:  (physics) The ratio of the speed of light in air or vacuum to that in another medium. Similar: index of refraction, refringence, reflectance, refraction, Snell's law, refractive power, total internal reflection, reflectancy, birefringence, lightspeed, more... Opposite: absorptive index, reflective index, transmissive index Types: Snell's law, Snell-Descartes law, more... Phrases: absolute refractive index, relative refractive index, Refractive index and extinction coefficient of thin film materials, more... ▸ Words similar to refractive index ▸ Usage examples for refractive index ▸ Idioms related to refractive index ▸ Wikipedia articles (New!) ▸ Words that often appear near refractive index ▸ Rhymes of refractive index ▸ Invented words related to refractive index