See Also: quinacridone(dictionary)

quinacridone (iou)



quinacridone noun. E20.
[from QUIN(OLINE + ACRID(INE + -ONE.]
Chemistry. Each of four synthetic isomeric compounds, C20H12N2O2, or their substituted derivatives, which have molecules containing three benzene and two pyridine rings arranged alternately, and include a number of red to violet pigments.