factor of safety

  1. the ratio of the maximum stress that a structural part or other piece of material can withstand to the maximum stress estimated for it in the use for which it is designed.

Origin of factor of safety

First recorded in 1855–60
  • Also called safety factor.

Words Nearby factor of safety

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British Dictionary definitions for factor of safety

factor of safety

  1. the ratio of the breaking stress of a material or structure to the calculated maximum stress when in use: Also called: safety factor

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012