chromatin
noun
chro·ma·tin
ˈkrō-mə-tən
: a complex chiefly of DNA and histone in eukaryotic cells that is usually dispersed in the interphase nucleus and condensed into chromosomes in mitosis and meiosis and in which the nucleosome makes up its repeating subunits
In eukaryotes, the DNA interacts with the histone proteins to form a tightly packed superstructure known as chromatin.—Isao Tanaka et al.
see cell illustration compare euchromatin, heterochromatin, nucleosome
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Merriam-Webster unabridged
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