factor of safety

noun
  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.

safety factor

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for safety factor

Historical Examples of safety factor

  • "They should be sending up their safety-factor flare soon," said Strong.

    Stand by for Mars!

    Carey Rockwell


British Dictionary definitions for safety factor

safety factor

noun
  1. another name for factor of safety

factor of safety

noun
  1. the ratio of the breaking stress of a material or structure to the calculated maximum stress when in useAlso 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