Breadcrumb Home > Dictionary > Index I impact extrusion: Meaning and Definition of Find definitions for: im'pact extru"sion Pronunciation: [key] — Metalworking. Metalworking. an extrusion process in which a slug of cold metal in a shallow die cavity is formed by the action of a rapidly moving punch that forces the metal through the die or back around the punch. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. impacter impaction 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: feinschmecker Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language