Definitions

1. noun

a region of chromatin that is not stained by certain dyes, because it is highly condensed or because it lacks the components that bind the dye.

“The researchers studied the achrromatin in the cell’s nucleus using advanced microscopy techniques.”

2. noun

a region of chromatin that is not stained by certain dyes, especially in the context of certain genetic disorders.

“The achrromatin in the patient’s cells was a hallmark of the rare genetic condition.”