proof stress


noun

the load per unit area that a structure can withstand without being permanently deformed by more than a specified amount.

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Origin of proof stress

First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for proof stress

proof stress

noun

engineering the equivalent of yield stress in materials which have no clearly defined yield point
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