Resiliency

(n.) The act of resiling, springing back, or rebounding; as, the resilience of a ball or of sound.

(n.) The mechanical work required to strain an elastic body, as a deflected beam, stretched spring, etc., to the elastic limit; also, the work performed by the body in recovering from such strain.

埃斯蒂斯整理

• The base of the triangle is grooved for the twofold purpose of making the rubber adhere better to the rail, and to increase resiliency. 佚名. 神奇的知识之书.

艾伦整理