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chromatin

[kroh-muh-tin] /ˈkroʊ mə tɪn/
noun, Cell Biology
1.
the readily stainable substance of a cell nucleus, consisting of DNA, RNA, and various proteins, that forms chromosomes during cell division.
Origin
1880-1885
1880-85; chromat- + -in2
Related forms
chromatinic, adjective
chromatoid, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for chromatin
  • They are recognized by chromatin regulator proteins that perform the tasks indicated by each kind of mark.
  • Intriguingly, this suggested that the two forms of chromatin were fractal in different ways.
  • chromatin transfer tries to produce a cloned embryo that more closely resembles a normal embryo.
  • chromatin undergoes various forms of change in its structure.
  • chromatin insulators and boundaries effects on transcription and nuclear organization.
British Dictionary definitions for chromatin

chromatin

/ˈkrəʊmətɪn/
noun
1.
(cytology) the part of the nucleus that consists of DNA and proteins, forms the chromosomes, and stains with basic dyes See also euchromatin, heterochromatin
Derived Forms
chromatinic, adjective
chromatoid, 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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Word Origin and History for chromatin
chromatin
1882, from Ger. (1880), from Gk. khromat-, alt. comb. form of khroma "color" (see chromatic) + chemical suffix -in.
Online Etymology Dictionary, © 2010 Douglas Harper
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chromatin in Medicine

chromatin chro·ma·tin (krō'mə-tĭn)
n.
A complex of nucleic acids and proteins in the cell nucleus that stains readily with basic dyes and condenses to form chromosomes during cell division.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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chromatin in Science
chromatin
  (krō'mə-tĭn)   
The substance distributed in the nucleus of a cell that condenses to form chromosomes during cell division. It consists mainly of DNA and proteins called histones.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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