alizarin
/əˈlɪzərɪn/
noun
- A red dye originally made from the madder plant, now often produced synthetically and used to color textiles, paints, and inks.
- Modern alizarin is usually made in a laboratory rather than from plants.
- Historically, alizarin was extracted from the roots of the madder plant.
- The artist used alizarin to create a deep red hue in her painting.