We found 10 dictionaries that define the word FiOS:

General (4 matching dictionaries)

1. Fios, fios: Wordnik
2. FiOS: Wiktionary
3. FIOS: Dictionary.com
4. FIOS, FiOS, Fios (disambiguation), Fios: Wikipedia, the Free Encyclopedia

Business (1 matching dictionary)

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

Computing (2 matching dictionaries)

6. FiOS: Tech Terms Computer Dictionary
7. FiOS: Encyclopedia

Miscellaneous (2 matching dictionaries)

8. FIOS: Acronym Finder
9. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

10. Fios: Urban Dictionary

Definitions from Wiktionary (FiOS) ▸ noun:  (Internet) Fiber Optic Subscribers Similar: FTTS, fiberoptics, fiber optics, fiber-optics, fibreoptics, fibre optics, fibre-optics, FTTx, FTTH, FTTP, more... Opposite: dsl, cable, broadband, dial-up Phrases: Verizon Fios, fios de ovos, more... ▸ Words similar to FiOS ▸ Usage examples for FiOS ▸ Idioms related to FiOS ▸ Wikipedia articles (New!) ▸ Popular adjectives describing FiOS ▸ Words that often appear near FiOS ▸ Rhymes of FiOS ▸ Invented words related to FiOS