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o·cheror o·chre (ō′kər)
1. Any of several earthy mineral oxides of iron occurring in yellow, brown, or red and used as pigments.
2. A moderate orange yellow, from moderate or deep orange to moderate or strong yellow.
[Middle English oker, from Old French ocre, from Late Latin ōcra, from Latin ōchra, from Greek ōkhra, from ōkhros, pale yellow.]
o′cher·ous, o′cher·y (ō′krē) adj.