Meaning of chromatin in English:


Pronunciation /ˈkrəʊmətɪn/


mass nounBiology
  • The material of which the chromosomes of organisms other than bacteria (i.e. eukaryotes) are composed, consisting of protein, RNA, and DNA.

    ‘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.’
    • ‘Indeed the Polycomb protein has been detected in inactive chromatin isolated from the bithorax complex.’
    • ‘The eukaryotic chromatin must be highly organized to fit into the small volume of the nucleus.’


Late 19th century coined in German from Greek khrōma, khrōmat- ‘colour’.