a type of dark yellow or red clay used for giving colour to paints, etc.; a dark yellow or red colour (富铁)黄土,褐土(用作颜料) Burnt sienna, with its rich luminous red, makes an ideal colour for adding warmth to natural brick. 燃烧的锡耶纳,以其丰富的明亮红色,成为给天然砖增加温暖的理想颜色。
Word Originlate 18th cent.: from Italian (terra di) Sienna ‘(earth of) Siena’.