Definition of chromatin in English:

Share this entry


Pronunciation: /ˈkrōmədən/


The material of which the chromosomes of organisms other than bacteria (i.e., eukaryotes) are composed. It consists of protein, RNA, and DNA.
Example sentences
  • The structure of chromatin is intimately linked to the function of the eukaryotic genome.
  • Under normal conditions equal amounts of the four core histones are incorporated into chromatin.
  • The de novo assembly of silent chromatin requires passage through the S phase of the cell cycle.


Late 19th century: coined in German from Greek khrōma, khrōmat- 'color'.

For editors and proofreaders

Syllabification: chro·ma·tin

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.