euchromatin

noun

eu·​chro·​ma·​tin (ˌ)yü-ˈkrō-mə-tən How to pronounce euchromatin (audio)
: the part of chromatin that is genetically active and is largely composed of genes
euchromatic
ˌyü-krō-ˈma-tik How to pronounce euchromatin (audio)
adjective

Examples of euchromatin in a Sentence

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Heterochromatin has largely been ignored by molecular biologists, who like to focus on the gene-rich euchromatin where most of the action is. — Quanta Magazine, 16 Nov. 2020

Word History

Etymology

International Scientific Vocabulary

First Known Use

1932, in the meaning defined above

Time Traveler
The first known use of euchromatin was in 1932

Rhymes for euchromatin

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euchroite
euchromatin
euchromatization
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“Euchromatin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/euchromatin. Accessed 28 Apr. 2025.

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Medical Definition

euchromatin

noun
eu·​chro·​ma·​tin (ˈ)yü-ˈkrō-mət-ən How to pronounce euchromatin (audio)
: the genetically active portion of chromatin that is largely composed of genes
euchromatic
ˌyü-krō-ˈmat-ik How to pronounce euchromatin (audio)
adjective
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