nitrogen trioxide

noun

Definition of nitrogen trioxide

  1. :  a compound N2O3 obtained at a low temperature as a deep blue unstable liquid that readily decomposes into nitric oxide and nitrogen dioxide; di-nitrogen trioxide —called also nitrogen (III) oxide, nitrous anhydride

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 nitrogen trioxide? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a brief usually trivial fact

Get Word of the Day daily email!