Definition of ferrous oxide in English:

ferrous oxide

Syllabification: fer·rous ox·ide

noun

A black powder, FeO, used in making steel and glass.
More example sentences
  • All fertilizer salts react the same way, whether they're potassium chloride, ammonium nitrate (NH.sub.4] NO.sub.3] or ferrous oxide (FeO).
  • The other thing I've done today is register myself as an organisation in order to get me a catalogue for buying ammonium ferrous oxide crystals.
  • During that period of time, moisture was continually trying to convert them to ferrous oxide.

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