ri·gid·i·ty /rəˈʤɪdəti/
  硬,僵化,堅硬,剛性,硬度
  ri·gid·i·ty /rəˈʤɪdətɪ/ 名詞
  勁度,強直,僵硬,剛性,剛度,硬度,嚴密性,穩定性
  Ri·gid·i·ty n.
  1. The quality or state of being rigid; want of pliability; the quality of resisting change of form; the amount of resistance with which a body opposes change of form; -- opposed to flexibility, ductility, malleability, and softness.
  2. Stiffness of appearance or manner; want of ease or elegance.
  3. Severity; rigor. [Obs. orR.]
  Syn: -- Stiffness; rigidness; inflexibility.
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  rigidity
       n 1: the physical property of being stiff and resisting bending
            [syn: rigidness]
       2: the quality of being rigid and rigorously severe [syn: inflexibility]
          [ant: flexibility]