nitrogen pentoxide

noun

: a white crystalline unstable compound N2O5 obtainable by oxidation of nitrogen dioxide with ozone or by dehydration of nitric acid and yielding nitric acid on combination with water with evolution of much heat; di-nitrogen pentoxide

called also nitric anhydride, nitrogen (V) 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.

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!

Dictionary Entries Near nitrogen pentoxide

nitrogen oxide

nitrogen pentoxide

nitrogen peroxide

See More Nearby Entries 

Cite this Entry

“Nitrogen pentoxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nitrogen%20pentoxide. Accessed 5 Jun. 2023.

Copy Citation

Share

Love words? Need even more definitions?

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

Words at Play
Ask the Editors
Word Games