n.
The protoplasm of a cell nucleus. Also called karyoplasm.
nucleoplasmic nu'cle·o·plas'mic or nu'cle·o·plas·mat'ic (-ō-plăz-măt'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.