Caliber

The word caliber (American English) or calibre (British English) designates the interior diameter of a tube or the exterior diameter of a wire or rod. It comes from the Italian calibro, itself from the Arabic quâlib, meaning mould.

Related Topics:
American English - British English - Italian - Arabic

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The term most often appears with respect to firearms, as a measure of the size of the barrel; however, it also has use in other fields.

Related Topics:
Firearm - Barrel - Other fields

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