(n.) 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.
SIENNA
Meaning of SIENNA in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) 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.
Webster's English dictionary. Английский словарь Webster. 2012