Definitions for Caliber

This page provides all possible meanings and translations of the word Caliber

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. quality, caliber, calibre(noun)

    a degree or grade of excellence or worth

    "the quality of students has risen"; "an executive of low caliber"

  2. bore, gauge, caliber, calibre(noun)

    diameter of a tube or gun barrel

Webster DictionaryRate this definition:(0.00 / 0 votes)

  1. Caliber(noun)

    alt. of Calibre

FreebaseRate this definition:(0.00 / 0 votes)

  1. Caliber

    In guns, particularly firearms, caliber or calibre is the approximate internal diameter of the barrel, or the diameter of the projectile it fires. In a rifled barrel, the distance is measured between opposing lands or grooves; groove measurements are common in cartridge designations originating in the United States, while land measurements are more common elsewhere. Good performance requires that a bullet closely match the groove diameter of a barrel to ensure a good seal. When the barrel diameter is given in inches, the abbreviation "cal" is used in place of "inches." For example, a small bore rifle with a diameter of 0.22 inch is a .22 cal; however, the decimal point is generally dropped when spoken, making it "twenty-two caliber" or a "two-two caliber". Calibers of firearms can be referred to in millimeters, as in a "caliber of eighty-eight millimeters" or "a hundred and five-millimeter caliber gun". While modern cartridges and cartridge firearms are generally referred to by the cartridge name, they are still lumped together based on bore diameter. For example, a firearm might be described as a .30 caliber rifle, which could be any of a wide range of cartridges using a roughly .30 inch projectile; or a ".22 rimfire", referring to any rimfire cartridge using a .22 caliber projectile.

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