from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective of or relating to the bore of a gun (or its ammunition) that measures forty-five hundredths of an inch in diameter


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  • The .45-calibre semi-automatic pistol was designed by Browning, who was born in Utah in 1855, to fill the US military's need for a pistol with stopping power - the ability to fell an enemy with a single shot.

    BBC News - Home 2011


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