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chromatin Line breaks: chro¦ma|tin
Pronunciation: /ˈkrəʊmətɪn/

Definition of chromatin in English:


[mass noun] Biology
The material of which the chromosomes of organisms other than bacteria (i.e. eukaryotes) are composed, consisting 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- 'colour'.

Definition of chromatin in:
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