We found 10 dictionaries that define the word ventilation system:

General (6 matching dictionaries)

1. ventilation system: Vocabulary.com
2. ventilation system: Dictionary.com
3. ventilation system: Rhymezone
4. ventilation system: FreeDictionary.org
5. ventilation system: Mnemonic Dictionary
6. ventilation system: TheFreeDictionary.com

Business (1 matching dictionary)

7. Ventilation system: Energy Dictionary

Computing (1 matching dictionary)

8. ventilation system: Encyclopedia

Medicine (1 matching dictionary)

9. ventilation system: Medical dictionary

Tech (1 matching dictionary)

10. AUTOMOTIVE TERMS (No longer online)

(Note: See ventilation_systems as well.)

Definitions from WordNet (ventilation system) ▸ noun:  a mechanical system in a building that provides fresh air Phrases: Crankcase ventilation system, more... ▸ Words similar to ventilation system ▸ Usage examples for ventilation system ▸ Idioms related to ventilation system ▸ Wikipedia articles (New!) ▸ Words that often appear near ventilation system ▸ Rhymes of ventilation system ▸ Invented words related to ventilation system