peroxyacetyl nitrate


per·​oxy·​ace·​tyl nitrate pə-ˌräk-sē-ə-ˈsē-tᵊl- How to pronounce peroxyacetyl nitrate (audio)
: a toxic compound C2H3O5N found especially in smog

Word History

First Known Use

1963, in the meaning defined above

Time Traveler
The first known use of peroxyacetyl nitrate was in 1963

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Cite this Entry

“Peroxyacetyl nitrate.” Dictionary, Merriam-Webster, Accessed 1 Dec. 2023.

Medical Definition

peroxyacetyl nitrate

: a toxic compound C2H3O5N irritating to the eyes and upper respiratory tract that is formed by the action of sunlight on volatile organic compounds and oxides of nitrogen and is found especially in smog
abbreviation PAN

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