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)



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