Breadcrumb Home > Dictionary > Index P pentaerythritol tetranitrate: Meaning and Definition of Find definitions for: pentaeryth'ritol tetrani'trate Pronunciation: [key] — Chem., Pharm. Chem.,Pharm. a white, crystalline, water-insoluble, explosive solid, CHNO, used chiefly as a high explosive and as a vasodilator in treating angina pectoris. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pentaerythritol pentagon TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: irascible Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language