armor-piercing

[ ahr-mer-peer-sing ]
/ ˈɑr mərˌpɪər sɪŋ /
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adjective

(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. 2019

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