| 释义 |
iron oxide
noun
: any of several natural or synthetic oxides or hydrated oxides of iron: as
a. : anhydrous or hydrated ferric oxide varying in color from red, brown, or black to orange or yellow depending in part on the degree of hydration and the purity and used especially as a pigment — compare ocher, sienna
b. : ferrosoferric oxide
c. : ferrous oxide
d. : goethite |