noun, noun which may take the genitive case particle 'no'
Technical term used in engineering and materials science to describe resistance to deformation. Also used in a no-adjective form (剛性の).
この素材は剛性が高いので、建築に適している。
This material has high rigidity, so it is suitable for construction.
剛性の高いフレームを採用した。
We adopted a frame with high stiffness.