ferrosoferric oxide

noun fer·ro·so·ferric oxide \fə|¦rōsə, fe|+...-\

Definition of ferrosoferric oxide

  1. :  a black magnetic iron oxide Fe3O4 found in nature as magnetite, also obtained synthetically (as from iron by heating in steam or from a ferrous salt and an alkali by precipitation and oxidation), and used chiefly as a pigment and polishing material —called also iron(II,III) oxide

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of ferrosoferric oxide

International Scientific Vocabulary ferroso- + ferric

First Known Use: 1825

Seen and Heard

What made you want to look up ferrosoferric oxide? Please tell us where you read or heard it (including the quote, if possible).


capable of being understood in two ways

Get Word of the Day daily email!