from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The part of a bacterium or virus that contains nucleic acid and is analogous in function to the nucleus of a eukaryotic cell.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The irregularly-shaped region within a prokaryote cell where the genetic material is localized
from The Century Dictionary and Cyclopedia
- Same as nucleiform.
nucleo- + -oid; thus "like a nucleus". (Wiktionary)