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sienna

[ see-en-uh ]
/ siˈɛn ə /
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noun
a ferruginous earth used as a yellowish-brown pigment (raw sienna ) or, after roasting in a furnace, as a reddish-brown pigment (burnt sienna ).
the color of such a pigment.
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Origin of sienna

1750–60; <Italian (terra di) Sien(n)a (earth of) Siena
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British Dictionary definitions for sienna

sienna
/ (sɪˈɛnə) /

noun
a natural earth containing ferric oxide used as a yellowish-brown pigment when untreated (raw sienna) or a reddish-brown pigment when roasted (burnt sienna)
the colour of this pigmentSee also burnt sienna

Word Origin for sienna

C18: from Italian terra di Siena earth of Siena
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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