proof stress

noun

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

Origin of proof stress

First recorded in 1860–65

Words nearby proof stress

proof of concept, proof of the pudding, proof of the pudding, the, proof sheet, proof spirit, proof stress, proof theory, proof-of-purchase, proofing, proofread, prootic

British Dictionary definitions for proof stress

proof stress

noun

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