adjective (Mechanical engineering: Mechanics and dynamics) A uniaxial stress or force acts in one direction only. ⇒ Metals are tested under uniaxial stress. ⇒ When a specimen is subjected to a uniaxial loading (along its primary axis) the force acting over the cross-sectional area generates a tensile stress and strain within the material. ⇒ A uniaxial stress or force acts in one direction only.
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