the part of a chromosome that condenses maximally during metaphase and contains most of the genetically active material.
- eu·chro·mat·ic [yoo-kruh-mat-ik], /ˌyu krəˈmæt ɪk/, adjective
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British Dictionary definitions for euchromatin
the part of a chromosome that constitutes the major genes and does not stain strongly with basic dyes when the cell is not dividing: Compare heterochromatin
- 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