nitrogen trioxide

noun

: 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

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“Nitrogen trioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nitrogen%20trioxide. Accessed 8 Dec. 2022.

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