せん断だん応おう力りょくせんだんおうりょくMeanings1nounshear stressphysicsTechnical term in physics and engineering; refers to the stress component parallel to a material cross-section.せん断だん応おう力りょくが材ざい料りょうの降こう伏ふく点てんを超こえると、変へん形けいが起おこる。When the shear stress exceeds the material's yield point, deformation occurs.