from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A genetic particle of certain cells, especially bacterial cells, that can exist either autonomously in the cytoplasm or as part of a chromosome.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A segment of DNA that can exist and replicate either autonomously in the cytoplasm or as part of a chromosome, mainly found in bacteria.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. DNA that is not incorporated into the genome but is replicated together with the genome (especially in bacterial cells)
Sorry, no etymologies found.