We found 19 dictionaries that define the word hdd:

General (8 matching dictionaries)

1. HDD: Oxford Learner's Dictionaries
2. HDD: Collins English Dictionary
3. HDD, Hdd, hdd: Wordnik
4. HDD: Wiktionary
5. HDD: Dictionary.com
6. HDD, Hdd: Wikipedia, the Free Encyclopedia
7. HDD: Stammtisch Beau Fleuve Acronyms
8. HDD: TheFreeDictionary.com

Business (1 matching dictionary)

9. HDD: Investopedia

Computing (3 matching dictionaries)

10. HDD: Free On-line Dictionary of Computing
11. HDD: CCI Computer
12. HDD: Encyclopedia

Medicine (1 matching dictionary)

13. online medical dictionary (No longer online)

Miscellaneous (2 matching dictionaries)

14. HDD: Acronym Finder
15. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

16. hdd: Urban Dictionary

Tech (3 matching dictionaries)

17. National Weather Service Glossary (No longer online)
18. Rane Professional Audio Reference (No longer online)
19. Sweetwater Music (No longer online)

Definitions from Wiktionary (HDD) ▸ noun:  (computing) Initialism of hard disk drive. [(computing) A hard drive or hard disk; a fixed disc drive containing rigid disks.] ▸ noun:  (heating) Initialism of heating degree day. Similar: hard drive, disk, SATA, hard disk, optical disk, discous, optical disc, RAM disk, magnetic disk, hard disc, more... Opposite: ssd, solid state drive Types: ssd, nas, more... Adjectives: inch, mini, internal, removable, man ▸ Words similar to hdd ▸ Usage examples for hdd ▸ Idioms related to hdd ▸ Wikipedia articles (New!) ▸ Popular adjectives describing hdd ▸ Words that often appear near hdd ▸ Rhymes of hdd ▸ Invented words related to hdd