ferric oxide

ferric oxide
noun
a red oxide of iron
• Hypernyms: ↑oxide
• Hyponyms: ↑rust
• Substance Holonyms: ↑rust, ↑rusting, ↑hemosiderin, ↑haemosiderin

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noun
: the red or black crystalline sesquioxide of iron Fe2O3 that is found in nature both as hematite and as hydrated forms (as rust and limonite) and is also obtained synthetically (as by calcining ferrous sulfate or hydrated ferric oxide) and that is used chiefly as a pigment and polishing material and in the removal of hydrogen sulfide from gases — called also iron(III) oxide; compare iron oxide a, iron red, rouge 2

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Chem.
a dark-red, crystalline, water-insoluble solid, Fe2O3, occurring naturally, as hematite and rust, or synthesized: used chiefly as a pigment, as a mordant, as a coating for magnetic recording tape, and in the manufacture of polishing compounds. Also called iron oxide.
[1880-85]

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ferric oxide noun
A red crystalline oxide of iron used as a coating on magnetic tape and as a metal polish (also called jeweller's rouge)
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Main Entry: ↑ferric

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ferric oxide,
a compound occurring naturally as the mineral hematite and produced synthetically as a reddish or brown powder; iron oxide. It is used as a pigment (rouge or Venetian red) and as an abrasive. Formula: Fe2O3

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Ferric oxide — Ferric Fer ric, a. [L. ferrum iron: cf. F. ferrique. See {Ferrous}.] Pertaining to, derived from, or containing iron. Specifically (Chem.), denoting those compounds in which iron has a higher valence than in the ferrous compounds; as, ferric… …   The Collaborative International Dictionary of English

  • ferric oxide — n. a brown or reddish oxide of iron, Fe2O3, occurring naturally as hematite or prepared by the oxidation of iron: used as a pigment, in polishing compounds, in magnetic tapes, etc …   English World dictionary

  • Ferric Oxide —   [engl.], Eisenoxid …   Universal-Lexikon

  • ferric oxide — geležies(III) oksidas statusas T sritis chemija formulė Fe₂O₃ atitikmenys: angl. colcothar; ferric oxide; iron minium; iron sesquioxide; ironic oxide; iron(III) oxide; Prussian red; red iron oxide; red ocher, US; red ochre, GB; Spanish oxide rus …   Chemijos terminų aiškinamasis žodynas

  • ferric oxide — A compound used as a coloring material. * * * ferric oxide n 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 * * * [NF] Fe2O3, a coloring agent… …   Medical dictionary

  • ferric oxide — noun A name for the chemical compound FeO, iron oxide where iron has a valence of +3. IUPAC has deprecated this term in favor of iron(III) oxide …   Wiktionary

  • ferric oxide — noun Date: 1851 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 …   New Collegiate Dictionary

  • ferric oxide — Chem. a dark red, crystalline, water insoluble solid, Fe2O3, occurring naturally, as hematite and rust, or synthesized: used chiefly as a pigment, as a mordant, as a coating for magnetic recording tape, and in the manufacture of polishing… …   Universalium

  • ferric oxide —    Rust; hematite (Fe2O3) [16] …   Lexicon of Cave and Karst Terminology

  • ferric oxide — fer′ric ox′ide n. chem. a red crystalline compound, Fe2O3, used as a pigment, mordant, and coating for magnetic tape • Etymology: 1880–85 …   From formal English to slang

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