We found 17 dictionaries that define the word macronucleus:

General (10 matching dictionaries)

1. macronucleus: Merriam-Webster
2. macronucleus: American Heritage Dictionary of the English Language
3. macronucleus: Collins English Dictionary
4. macronucleus: Wordnik
5. macronucleus: Wiktionary
6. macronucleus: Webster's New World College Dictionary, 4th Ed.
7. macronucleus: Infoplease Dictionary
8. macronucleus: Dictionary.com
9. Macronucleus: Wikipedia, the Free Encyclopedia
10. macronucleus: TheFreeDictionary.com

Computing (1 matching dictionary)

11. macronucleus: Encyclopedia

Medicine (4 matching dictionaries)

12. macronucleus: Merriam-Webster Medical Dictionary
13. Medical Dictionary (No longer online)
14. online medical dictionary (No longer online)
15. macronucleus: Medical dictionary

Science (2 matching dictionaries)

16. Tree of Life Glossary (No longer online)
17. On-Line Biology Book: GLOSSARY (No longer online)

(Note: See macronuclear as well.)

Definitions from Wiktionary (macronucleus) ▸ noun:  (biology) The larger of the two nuclei present in ciliate protozoans; it controls the nonreproductive functions of the cell. Similar: macronodule, macrocilium, macroconidium, macrocyst, karyonide, caryonide, cytococcus, maritonucleus, nucleomorph, centrosome, more... Opposite: micronucleus, minor nucleus ▸ Words similar to macronucleus ▸ Usage examples for macronucleus ▸ Idioms related to macronucleus ▸ Wikipedia articles (New!) ▸ Popular adjectives describing macronucleus ▸ Words that often appear near macronucleus ▸ Rhymes of macronucleus ▸ Invented words related to macronucleus