ferrous hydroxide


Definition of ferrous hydroxide

  1. :  a basic compound Fe(OH)2 that is usually obtained as a nearly white gelatinous precipitate by adding an alkali to a ferrous salt solution and that turns green and finally reddish brown in air on oxidation to ferric hydroxide

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!

Seen and Heard

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


a brief usually trivial fact

Get Word of the Day daily email!