Any of a group of synthetic organic compounds whose molecules contain three benzene and two pyridine rings arranged alternately. They include a number of red to violet pigments.
- ‘He begins this and other of his recent large acrylics by laying down a ground of quinacridone violet, a fiercely hot, beet-juice magenta that sometimes works the way Goya used black: as a gorgeous and scary narrative site.’
Early 20th century: from quin(oline) + acrid(ine) + -one.
We take a look at several popular, though confusing, punctuation marks.