We found 11 dictionaries that define the word sio:

General (5 matching dictionaries)

1. Sio, sio: Wordnik
2. SIO: Dictionary.com
3. SIO (software), SiO, Sio: Wikipedia, the Free Encyclopedia
4. SIO, SiO: Stammtisch Beau Fleuve Acronyms
5. SIO: Wiktionary

Computing (1 matching dictionary)

6. BABEL: Computer Oriented Abbreviations and Acronyms (No longer online)

Miscellaneous (2 matching dictionaries)

7. SIO: Acronym Finder
8. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

9. sio: Urban Dictionary

Tech (2 matching dictionaries)

10. SiO: Webster's New World Telecom Dictionary
11. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)

Definitions from Wiktionary (SIO) ▸ noun:  (UK, law enforcement) Initialism of senior investigating officer. ▸ noun:  (slang) Initialism of snap-in-one. Similar: malo, Pepe, Hele, Tana, MBE, Hela, Asi, KOM, zar, rona, more... Types: quartz, silica, opal, tetrasilicate, tridymite, cristobalite, more... Phrases: sio 2, Atari SIO, more... Adjectives: cao, mgo, amorphous, pure, volatile, thick, gaseous, thin, feo, high, free ▸ Words similar to sio ▸ Usage examples for sio ▸ Idioms related to sio ▸ Wikipedia articles (New!) ▸ Popular adjectives describing sio ▸ Words that often appear near sio ▸ Rhymes of sio ▸ Invented words related to sio