noun \ˌpē-ˌē-ˌtē-ˈen\

Definition of PETN

  1. :  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

Origin and Etymology of petn

pentaerythritol tetranitrate

First Known Use: 1944

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