noun. A special clay containing iron and manganese oxides, used as a pigment for oil and watercolor painting.

noun. undefined

noun. Raw sienna.

noun. Burnt sienna.

noun. A ferruginous ocherous earth, fine and smooth, used as a pigment in both oil and water-color painting.

noun. The color of sienna pigment.

noun. Clay that is colored red or brown by the oxides of iron or manganese, and used as a pigment. It is used either in the raw state or burnt.

noun. sienna made of a much redder color by the action of fire.

noun. sienna in its natural state, of a transparent yellowish brown color.

noun. a form of clay containing iron and manganese.

noun. a pigment with a reddish-brown colour.

noun. a light reddish-brown colour.

adjective. having a reddish-brown colour.

noun. an earth color containing ferric oxides; used as a pigment