[ yoo-kroh-muh-tin ]
/ yuˈkroʊ mə tɪn /
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noun Genetics.

the part of a chromosome that condenses maximally during metaphase and contains most of the genetically active material.



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Origin of euchromatin

First recorded in 1930–35; eu- + chromatin

OTHER WORDS FROM euchromatin

eu·chro·mat·ic [yoo-kruh-mat-ik], /ˌyu krəˈmæt ɪk/, adjective

Words nearby euchromatin

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for euchromatin

/ (juːˈkrəʊmətɪn) /


the part of a chromosome that constitutes the major genes and does not stain strongly with basic dyes when the cell is not dividingCompare heterochromatin

Derived forms of euchromatin

euchromatic (ˌjuːkrəʊˈmætɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for euchromatin

[ yōō-krōmə-tĭn ]


Chromosomal material that consists of uncoiled dispersed threads during interphase, is genetically active, and stains lightly with basic dyes.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.