heterochromatin

US:USA pronunciation: respellingUSA pronunciation: respelling(het′ər ə krōmə tin)


WordReference Random House Unabridged Dictionary of American English © 2026
het•er•o•chro•ma•tin  (het′ər ə krōmə tin),USA pronunciation n. [Genetics.]
  1. Geneticsthe dense, highly stainable part of a chromosome. Cf. euchromatin.
  • hetero- + chromatin 1930–35

'heterochromatin' also found in these entries (note: many are not synonyms or translations):

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