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 adjective

Example Sentences

Recent Examples on the Web 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

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'euchromatin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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

Dictionary Entries Near euchromatin

Cite this Entry

“Euchromatin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/euchromatin. Accessed 4 Feb. 2023.

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 adjective
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