Definition of perrhenic acid
: either of two acids formed by the oxidation of rhenium or rhenium compounds of lower valence states and known only in solution or in the form of salts: a : the monobasic acid HReO4 analogous to permanganic acid that forms colorless stable salts —called also metaperrhenic acid b : the tribasic acid H3ReO5 that forms yellow salts turning red when heated and hydrolyzed in water to salts of metaperrhenic acid —called also mesoperrhenic acid
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.
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 perrhenic acid
per- + New Latin rhenium + English -ic
Seen and Heard
What made you want to look up perrhenic acid? Please tell us where you read or heard it (including the quote, if possible).