- (of bullets, artillery shells, etc.) designed especially for piercing armor.
Origin of armor-piercing
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for armor-piercing
Evidence of execution-style gunshots with armor-piercing bullets has emerged.Ukraine Is On the Verge Of War And Putin Is To Blame
February 20, 2014
Furthermore, the cannon and armor-piercing bombs of Shturmovik ground-attack aircraft posed a mortal peril for the German tanks.WWII’s Greatest Battle: How Kursk Changed the War
August 31, 2013
And nobody needs a 30-round clip of high-velocity, steel-jacketed, armor-piercing ordnance for target shooting.One Redneck’s Gun Stand
February 13, 2013
Just where would an armor-piercing steel bullet do the most harm?Valley of the Croen
Equally interesting was the construction of the armor-piercing bullet.America's Munitions 1917-1918
They were proof against the ordinary bullet but not against the armor-piercing.War in the Garden of Eden
Tell how to distinguish from the painting of projectiles used, its kind, armor-piercing quality, and nature of bursting charge.
It is an armor-piercing shell for a 12-inch gun; it is made of forged steel, and is filled with explosive "D."