- 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. 2018
Examples from the Web for petn
Fortunately for the crew and passengers, the liquid didn't make enough contact with PETN to create an explosion.
The attempted Christmas bomber, Abdulmutallab, had a six-inch long packet of PETN sewn into his underpants.
“PETN can easily be stitched into clothing and hidden around the body,” an FBI agent familiar with the explosive tells me.