perrhenic acid

per·​rhenic acid | \ ¦pər, , (ˈ)per+...- - \

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!

History and Etymology for perrhenic acid

per- + New Latin rhenium + English -ic

Keep scrolling for more

Learn More About perrhenic acid

Dictionary Entries Near perrhenic acid


perrhenic acid


See More Nearby Entries 

Statistics for perrhenic acid

Cite this Entry

“Perrhenic acid.” Dictionary, Merriam-Webster, Accessed 15 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
Spell It

Can you spell these 10 commonly misspelled words?

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!