We found 12 dictionaries that define the word communication system:

General (7 matching dictionaries)

1. communication system: Vocabulary.com
2. communication system: Dictionary.com
3. Communication system: Wikipedia, the Free Encyclopedia
4. communication system: Rhymezone
5. communication system: FreeDictionary.org
6. communication system: Mnemonic Dictionary
7. communication system: TheFreeDictionary.com

Computing (3 matching dictionaries)

8. communication system: Free On-line Dictionary of Computing
9. Communication System: Cybernetics and Systems
10. communication system: Encyclopedia

Medicine (1 matching dictionary)

11. online medical dictionary (No longer online)

Science (1 matching dictionary)

12. FOLDOP - Free On Line Dictionary Of Philosophy (No longer online)

(Note: See communication_systems as well.)

Definitions from WordNet (communication system) ▸ noun:  facility consisting of the physical plants and equipment for disseminating information ▸ noun:  a system for communicating Types: telephone, radio, television, internet, cellular network, postal service, telegraph, more... Phrases: Picture archiving and communication system, Emergency communication system, Total Access Communication System, Picture Exchange Communication System, more... ▸ Words similar to communication system ▸ Usage examples for communication system ▸ Idioms related to communication system ▸ Wikipedia articles (New!) ▸ Words that often appear near communication system ▸ Rhymes of communication system ▸ Invented words related to communication system