| 释义 |
red ocher
red ochern. A form of hematite used as a red pigment.red′ o′cher
n. any of the red natural earths, mixtures of hematite, that are used as pigments. [1565–75]
red ocher
red ocher[′red ′ō·kər] (inorganic chemistry) ferric oxide (mineralogy) hematite red ocherA mixture of hematites; any of a number of natural earths used as red pigments. |