euchromatin [yoo-kroh-muh-tin] Word Origin noun Genetics.
- the part of a chromosome that condenses maximally during metaphase and contains most of the genetically active material.
Origin of euchromatin First recorded in 1930–35; eu- + chromatin Related formseu·chro·mat·ic [yoo-kruh-mat-ik] /ˌyu krəˈmæt ɪk/, adjective British Dictionary definitions for euchromatin euchromatin noun
- 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 Formseuchromatic (ˌjuːkrəʊˈmætɪk), adjective euchromatin in Medicine euchromatin [yōō-krō′mə-tĭn] n.
- Chromosomal material that consists of uncoiled dispersed threads during interphase, is genetically active, and stains lightly with basic dyes.