We found 30 dictionaries that define the word respiratory system:

General (13 matching dictionaries)

1. respiratory system: Merriam-Webster
2. respiratory system: American Heritage Dictionary of the English Language
3. respiratory system: Collins English Dictionary
4. respiratory system: Vocabulary.com
5. respiratory system: Cambridge Advanced Learner's Dictionary
6. respiratory system: Wiktionary
7. respiratory system: Infoplease Dictionary
8. respiratory system: Dictionary.com
9. Respiratory System, Respiratory system: Wikipedia, the Free Encyclopedia
10. respiratory system: Rhymezone
11. respiratory system: FreeDictionary.org
12. respiratory system: Mnemonic Dictionary
13. respiratory system: TheFreeDictionary.com

Business (2 matching dictionaries)

14. respiratory system: Legal dictionary
15. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

16. The respiratory system, respiratory system: Encyclopedia

Medicine (13 matching dictionaries)

17. respiratory system: Merriam-Webster Medical Dictionary
18. Dorland's Illustrated Medical Dictionary (No longer online)
19. Respiratory system: MedTerms.com Medical Dictionary
20. Medical Dictionary (No longer online)
21. Breast Cancer Talking Dictionary (No longer online)
22. Respiratory system: Merck Manuals
23. online medical dictionary (No longer online)
24. Probert Encyclopaedia of Medicine (No longer online)
25. Allergy Glossary (No longer online)
26. respiratory system: Dictionary of Cancer Terms
27. The respiratory system, respiratory system: Medical dictionary
28. Respiratory system: Drug Medical Dictionary
29. Hyperdictionary (No longer online)

Science (1 matching dictionary)

30. Bird On! (No longer online)

(Note: See respiratory_systems as well.)

Definitions from Wiktionary (respiratory system) ▸ noun:  (anatomy) The system of organs serving for respiration. Similar: respiratory tract, lower respiratory tract, digestive system, upper respiratory tract, lung, upper airway, lower airway, olfactory organ, airway, thoracic cage, more... Opposite: circulatory system Types: pulmonary, bronchial, alveolar, more... Phrases: respiratory system agents, the respiratory system, Respiratory system of insects, more... ▸ Words similar to respiratory system ▸ Usage examples for respiratory system ▸ Idioms related to respiratory system ▸ Wikipedia articles (New!) ▸ Words that often appear near respiratory system ▸ Rhymes of respiratory system ▸ Invented words related to respiratory system