\ ˌpē-ˌē-ˌtē-ˈen
\
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Definition of PETN
: a crystalline ester C5H8N4O12 used as a powerful high explosive and medically in the treatment of angina pectoris
… the experts determined that its explosive content was identical to that of the Honolulu bomb—PETN, an explosive undetectable by X-ray.— Steven Emerson
— called also pentaerythritol tetranitrate
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“PETN.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/PETN. Accessed 2 Jul. 2022.
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Time Traveler for PETN
The first known use of PETN was in 1944
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