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duc·til·i·ty | \ ˌdək-ˈti-lə-tē 
\
\Definition of ductility
: the quality or state of being ductile especially : the ability of a material to have its shape changed (as by being drawn out into wire or thread) without losing strength or breaking When certain alloys are added to metal, hardness and strength can be improved without decreasing the ductility. — Daniel A. Brandt
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The first known use of ductility was in 1644
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