We found 16 dictionaries that define the word BeOS:

General (3 matching dictionaries)

1. BeOS: Dictionary.com
2. BeOS: Wikipedia, the Free Encyclopedia
3. BeOS: Stammtisch Beau Fleuve Acronyms

Computing (7 matching dictionaries)

4. BeOS: Free On-line Dictionary of Computing
5. beos: Netlingo
6. BeOS: CCI Computer
7. BeOS: Game Dictionary
8. BeOS: Linktionary Networking Glossary
9. SMS Dictionary (No longer online)
10. BeOS: Encyclopedia

Medicine (1 matching dictionary)

11. online medical dictionary (No longer online)

Miscellaneous (2 matching dictionaries)

12. BEOS: Acronym Finder
13. AbbreviationZ (No longer online)

Slang (2 matching dictionaries)

14. BeOS, BeOS: Urban Dictionary

Tech (1 matching dictionary)

15. Rane Professional Audio Reference (No longer online)

Definitions from Wikipedia (BeOS) ▸ noun:  a discontinued operating system for personal computers that was developed by Be Inc. ▸ Words similar to BeOS ▸ Usage examples for BeOS ▸ Idioms related to BeOS ▸ Wikipedia articles (New!) ▸ Popular adjectives describing BeOS ▸ Words that often appear near BeOS ▸ Rhymes of BeOS ▸ Invented words related to BeOS