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[noo-klee-uh-plaz-uh m, nyoo-] /ˈnu kli əˌplæz əm, ˈnyu-/
noun, Cell Biology.
the protoplasm of the nucleus of a cell.
Also called karyoplasm.
Origin of nucleoplasm
First recorded in 1885-90; nucleo- + -plasm
Related forms
nucleoplasmic, nucleoplasmatic
[noo-klee-oh-plaz-mat-ik, nyoo-] /ˌnu kli oʊ plæzˈmæt ɪk, ˌnyu-/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for nucleoplasm
Historical Examples
  • It comprises the cell-protoplasm and a nucleus imbedded in it whose substance is known as the nucleoplasm.

    Sex Henry Stanton
British Dictionary definitions for nucleoplasm


the protoplasm in the nucleus of a plant or animal cell that surrounds the chromosomes and nucleolus Also called karyoplasm
Derived Forms
nucleoplasmic, nucleoplasmatic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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nucleoplasm in Medicine

nucleoplasm nu·cle·o·plasm (nōō'klē-ə-plāz'əm, nyōō'-)
Protoplasm of a cell nucleus. Also called karyoplasm.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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nucleoplasm in Science
The jellylike material within a cell nucleus, containing the nucleolus and chromatin. See more at nucleus.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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