+Strain is a measure of [Deformation](/wiki/deformation), describing how much an object changes shape or size relative to its original state. It often arises from [Stress](/wiki/stress) applied to a material, indicating the internal forces at play within its structure.
+## See also
+- [Elasticity](/wiki/elasticity)
+- [Plasticity](/wiki/plasticity)
+- [Material Science](/wiki/material_science)
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