chromocenter

noun

chro·mo·cen·ter ˈkrō-mə-ˌsen-tər

: a densely staining aggregation of heterochromatic regions in the nucleus of some cells

Etymology

probably borrowed from Italian cromocentro, from cromo- chromo- + centro center entry 1

First Known Use

1926, in the meaning defined above

Time Traveler

The first known use of chromocenter was in 1926

See more words from the same year

chromo-

chromocenter

Chromocitronine R

See all Nearby Words

Style

“Chromocenter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chromocenter. Accessed 4 Nov. 2025.

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chromocenter

noun

chro·mo·cen·ter ˈkrō-mə-ˌsent-ər

: a densely staining nuclear body associated with the chromatin of some cells

chromocentric

ˌkrō-mə-ˈsen-trik

adjective