Definition of Roussin's salt
: any of two series of alkali metal salts that are nitrosyl and sulfur complexes of iron: a : a red unstable salt having the general formula M[Fe(NO)2S] and obtainable by reaction of nitric oxide with ferrous sulfide b : a black more stable salt having the general formula M[Fe4(NO)7S3] and obtainable (as by treatment with alkali) from a red salt
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of roussin's salt
after François-Zacharie Roussin †1894 French chemist
Seen and Heard
What made you want to look up Roussin's salt? Please tell us where you read or heard it (including the quote, if possible).