yield point
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[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Stress_strain_ductile.svg/220px-Stress_strain_ductile.svg.png)
Noun
[edit]yield point (plural yield points)
- (materials science) The point at which, as the strain (deformation amount) is increased, a material begins deforming plastically (irreversibly) rather than elastically.