1. burnt sienna - Noun
2. burnt sienna - Adjective
a shade of brown with a tinge of red
a reddish-brown pigment produced by roasting sienna
Source: WordNetA clay of limonite rich in iron oxide is the source of raw sienna and burnt sienna. Source: Internet
After being heated, the pigment has become the colour known as burnt sienna. Source: Internet
Isabellle Roelofs and Fabien Petillion, La Couleur explquée aux artistes, p. 30. * Raw sienna and burnt sienna are also clay pigments rich in iron oxide, which were mined during the Renaissance around the city of Siena in Tuscany. Source: Internet
It is considerably lighter than most other versions of burnt sienna. Source: Internet
The first recorded use of burnt sienna as a colour name in English was in 1853. Source: Internet
The natural sienna earth is a dark yellow ochre color; when roasted it becomes a rich reddish brown called burnt sienna. Source: Internet