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[ahr-mer-peer-sing] /ˈɑr mərˌpɪər sɪŋ/
(of bullets, artillery shells, etc.) designed especially for piercing armor.
Origin of armor-piercing
1895-1900 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for armor-piercing
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Historical Examples
  • Bombs, armor-piercing shells, gas shells of poisonous and corrosive fluids followed each other in close succession.

    Triplanetary Edward Elmer Smith
  • Just where would an armor-piercing steel bullet do the most harm?

    Valley of the Croen Lee Tarbell
  • Then an artillery officer said, dreamily, "The armor-piercing shells the railroad guns use have lead caps."

    The Onslaught from Rigel Fletcher Pratt
  • Equally interesting was the construction of the armor-piercing bullet.

  • Tell how to distinguish from the painting of projectiles used, its kind, armor-piercing quality, and nature of bursting charge.

    The Gunner's Examiner Harold E. Cloke
  • They were proof against the ordinary bullet but not against the armor-piercing.

    War in the Garden of Eden Kermit Roosevelt
  • Our armor-piercing bullet was made with a cupronickel jacket for the sake of the gun barrel.

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