We found 18 dictionaries that define the word copy protection:

General (9 matching dictionaries)

1. copy protection: American Heritage Dictionary of the English Language
2. copy-protection: Wordnik
3. copy protection: Wiktionary
4. copy protection: Infoplease Dictionary
5. copy protection: Dictionary.com
6. Copy-protection, Copy protection: Wikipedia, the Free Encyclopedia
7. copy protection: TheFreeDictionary.com

Business (2 matching dictionaries)

8. Broadcast Media Terms (No longer online)
9. BusinessDictionary.com (No longer online)

Computing (5 matching dictionaries)

10. copy protection: Free On-line Dictionary of Computing
11. copy protection: CCI Computer
12. Webopedia (No longer online)
13. Technopedia (No longer online)
14. Copy-protection, copy protection: Encyclopedia

Medicine (1 matching dictionary)

15. online medical dictionary (No longer online)

Tech (1 matching dictionary)

16. Sweetwater Music (No longer online)

Definitions from Wiktionary (copy protection) ▸ noun:  A software or hardware mechanism designed to prevent copying. Similar: dongle, security system, regional lockout, anticheat, control, crack, override, copier, analog hole, blocker, more... Phrases: Sony BMG copy protection rootkit scandal, Extended Copy Protection, more... ▸ Words similar to copy protection ▸ Usage examples for copy protection ▸ Idioms related to copy protection ▸ Wikipedia articles (New!) ▸ Words that often appear near copy protection ▸ Rhymes of copy protection ▸ Invented words related to copy protection