PETN

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pentaerythritol tetranitrate

noun Chemistry, Pharmacology.

a white, crystalline, water-insoluble, explosive solid, C5H8N4O12, used chiefly as a high explosive and as a vasodilator in treating angina pectoris.

Origin of pentaerythritol tetranitrate

First recorded in 1920–25
Also called PETN
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for petn

Contemporary Examples of petn

  • Fortunately for the crew and passengers, the liquid didn't make enough contact with PETN to create an explosion.

    The Daily Beast logo
    The Terrorists' Secret Weapon

    Gerald Posner

    December 30, 2009

  • The attempted Christmas bomber, Abdulmutallab, had a six-inch long packet of PETN sewn into his underpants.

    The Daily Beast logo
    The Terrorists' Secret Weapon

    Gerald Posner

    December 30, 2009

  • PETN can easily be stitched into clothing and hidden around the body,” an FBI agent familiar with the explosive tells me.

    The Daily Beast logo
    The Terrorists' Secret Weapon

    Gerald Posner

    December 30, 2009