ferric oxide

noun

Definition of ferric oxide

: the red or black oxide of iron Fe2O3 found in nature as hematite and as rust and also obtained synthetically and used especially in magnetic materials, as a pigment, and for polishing

Recent Examples of ferric oxide from the Web

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First Known Use of ferric oxide

1851

in the meaning defined above

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Medical Dictionary

ferric oxide

noun

medical Definition of ferric oxide

: the red or black oxide of iron Fe2O3 found in nature as hematite and as rust and also obtained synthetically and used as a pigment and for polishing

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