Word.ws English Dictionary

iron(II) oxide

iron(II) oxide noun: feO, the form of iron oxide in which the iron has a valence of +2.

Noun

iron(II) oxide (uncountable)

  1. FeO, the form of iron oxide in which the iron has a valence of +2.
    Synonyms:
    ferrous oxide

Synonyms of iron(II) oxide

Questions about iron(II) oxide

What does iron(II) oxide mean?
Iron(II) oxide means feO, the form of iron oxide in which the iron has a valence of +2.
What part of speech is iron(II) oxide?
Iron(II) oxide is a noun.

Words near iron(II) oxide in the dictionary

  1. iron triangles
  2. iron vitriol
  3. iron works
  4. iron(II) carbonate
  5. iron(II) chloride
  6. iron(II) oxide
  7. iron(II) sulfate
  8. iron(II) sulphate
  9. iron(II,III) oxide
  10. iron(III) chloride
  11. iron(III) oxide

Source and license

Adapted from Wiktionary: iron(II) oxide (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “iron(II) oxide.” Word.ws, https://word.ws/iron(ii)_oxide. Based on Wiktionary, CC BY-SA 4.0.