rigidness 

英汉解释

n. 坚硬；严厉

同义词

n. inflexibility，rigidity

反义词

n.   flexibility，flexibleness

参考例句

1. The fuselage is made of steel and dealed through limitation, guaranteeing its fuselage's good rigidness, not transformed easily.
机身采用先进的钢结构设计，经过时效处理，保证其机身有良好的钢性，不易变形。
2. For general multi-rigid model system, only the locomotion parameter of the components with large rigidness and regular shape could be represented.
一般的多刚体系统模型，比较适合于反映构件刚度较大的机构的运动与动力参数。
3. PP Characteristic:Good heat resistance, high chemical stability, high rigidness, good extensibility&bending resistance , and good electrical insulation.
PP特性：耐热性好，化学稳定性高，刚性大，延伸性，抗弯曲性好，电绝缘性佳。

英英解释

n.
  1. the physical property of being stiff and resisting bending
  2. the quality of being rigid and rigorously severe

网络释义

rigidness
坚硬;