Definition of alizarin
1 : an orange or red crystalline compound C14H8O4 formerly prepared from madder and now made synthetically and used especially to dye Turkey reds and in making red pigments
2 : any of various acid, mordant, and solvent dyes derived like alizarin proper from anthraquinone
Play with color with paint by number kits for adults selected by our Reviews team.
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors