We found 35 dictionaries that define the word apnea:

General (17 matching dictionaries)

1. apnea: Merriam-Webster
2. apnea: Oxford Learner's Dictionaries
3. apnea: American Heritage Dictionary of the English Language
4. apnea: Collins English Dictionary
5. apnea: Vocabulary.com
6. Apnea, apnea: Wordnik
7. apnea: Wiktionary
8. apnea: Webster's New World College Dictionary, 4th Ed.
9. apnea: Infoplease Dictionary
10. apnea: Dictionary.com
11. apnea: Online Etymology Dictionary
12. Apnea (Ricardo Arjona song), Apnea (song), Apnea: Wikipedia, the Free Encyclopedia
13. apnea: Rhymezone
14. apnea: FreeDictionary.org
15. apnea: Mnemonic Dictionary
16. apnea: TheFreeDictionary.com
17. apnea: Merriam-Webster

Computing (1 matching dictionary)

18. apnea: Encyclopedia

Medicine (15 matching dictionaries)

19. apnea: Merriam-Webster Medical Dictionary
20. Dorland's Illustrated Medical Dictionary (No longer online)
21. Apnea: MedTerms.com Medical Dictionary
22. Medical Dictionary (No longer online)
23. Apnea: Merck Manuals
24. Hepatitis C Information Central (No longer online)
25. Specific Diseases/Disorders (No longer online)
26. National MCH Center for Child Death Review (No longer online)
27. apnea: Parents' Common Sense Encyclopedia
28. Sleep Terms (No longer online)
29. apnea: Medical dictionary
30. Rudy's List of Archaic Medical Terms (No longer online)
31. University of Maryland Glossary of Medical Terms (No longer online)
32. Apnea: Drug Medical Dictionary
33. Hyperdictionary (No longer online)

Miscellaneous (1 matching dictionary)

34. APNEA: Acronym Finder

Slang (1 matching dictionary)

35. Apnea: Urban Dictionary

(Note: See apneas as well.)

Definitions from Wiktionary (apnea) ▸ noun:  (pathology) The cessation of breathing, most often in reference to transient instances thereof during sleep. Similar: sleep apnea, ataxic respiration, hypoapnea, hypopnea, hypopnœa, hypopnoea, platypnoea, asphyxia, breathlessness, somnopathy, more... Opposite: hypopnea, normal breathing, regular breathing, ventilation Phrases: sleep apnea, obstructive apnea, central apnea, mixed apnea, secondary apnea, more... Adjectives: obstructive, central, sleep, severe, postoperative, neonatal, mixed, primary, recurrent, secondary, idiopathic Colors:     blue,     midnight blue,     slate gray,     charcoal,     steel blue, more... ▸ Word origin ▸ Words similar to apnea ▸ Usage examples for apnea ▸ Idioms related to apnea ▸ Wikipedia articles (New!) ▸ Popular adjectives describing apnea ▸ Words that often appear near apnea ▸ Rhymes of apnea ▸ Invented words related to apnea