from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The smaller of two nuclei in ciliate protozoans that contains genetic material and functions in reproduction.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A small nucleus.
- n. The smaller of the nuclei of a ciliate protozoan.
from The Century Dictionary and Cyclopedia
- n. A small nucleus: distinguished from macronucleus.
Sorry, no etymologies found.