We found 31 dictionaries that define the word mitochondria:

General (12 matching dictionaries)

1. mitochondria: Merriam-Webster
2. mitochondria: Oxford Learner's Dictionaries
3. mitochondria: Collins English Dictionary
4. mitochondria: Vocabulary.com
5. Mitochondria, mitochondria: Wordnik
6. mitochondria: Cambridge Advanced Learner's Dictionary
7. Mitochondria: InfoVisual Visual Dictionary
8. mitochondria: Wiktionary
9. mitochondria: Dictionary.com
10. mitochondria: Online Etymology Dictionary
11. Mitochondria (song), Mitochondria: Wikipedia, the Free Encyclopedia
12. mitochondria: TheFreeDictionary.com

Business (1 matching dictionary)

13. mitochondria: Legal dictionary

Computing (1 matching dictionary)

14. mitochondria: Encyclopedia

Medicine (15 matching dictionaries)

15. mitochondria: Merriam-Webster Medical Dictionary
16. Mitochondria: MedTerms.com Medical Dictionary
17. AIDSinfo Glossary (No longer online)
18. Medical Dictionary (No longer online)
19. Breast Cancer Talking Dictionary (No longer online)
20. online medical dictionary (No longer online)
21. Hypermedia Glossary Of Genetic Terms (No longer online)
22. Hepatitis C Information Central (No longer online)
23. DICTIONARY OF TERMS IN ORAL PHYSIOLOGY (No longer online)
24. AIDS Medical Glossary and Drug Chart (No longer online)
25. mitochondria: Dictionary of Cancer Terms
26. mitochondria: Medical dictionary
27. Vitamin Glossary (No longer online)
28. Mitochondria: Drug Medical Dictionary
29. Hyperdictionary (No longer online)

Science (1 matching dictionary)

30. Anthropology dictionary (No longer online)

Slang (1 matching dictionary)

31. mitochondria: Urban Dictionary

(Note: See mitochondrion as well.)

Definitions from Wiktionary (mitochondria) ▸ noun:  (sometimes proscribed) mitochondrion. Similar: mitochondrium, matrix, mitochondriogenesis, megamitochondrion, sarcosome, protomitochondrion, mitoxosome, promitochondrion, mitoplast, mitoribosome, more... Opposite: chloroplast Phrases: liver mitochondria, heart mitochondria, muscle mitochondria, elementary particles of mitochondria, mitochondria liver, more... Adjectives: isolated, rat, numerous, intact, few, many, large, abnormal, small, mammalian, human Colors:     teal,     olive green,     lime green,     forest green,     emerald, more... ▸ Word origin ▸ Words similar to mitochondria ▸ Usage examples for mitochondria ▸ Idioms related to mitochondria ▸ Wikipedia articles (New!) ▸ Popular adjectives describing mitochondria ▸ Words that often appear near mitochondria ▸ Rhymes of mitochondria ▸ Invented words related to mitochondria