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pentaerythritol tetranitrate

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noun Chemistry, Pharmacology.
  1. 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