E`las*tic"i*ty(`ls*ts"*t), n. [Cf. F. lasticit.] 1. The quality of being elastic; the inherent property in bodies by which they recover their former figure or dimensions, after the removal of external pressure or altering force; springiness; resilience; tendency to rebound; as, the elasticity of caoutchouc; the elasticity of the air.
2. Power of resistance to, or recovery from, depression or overwork; -- usually referred to as
Coefficient of elasticity, the quotient of a stress (of a given kind), by the strain (of a given kind) which it produces; -- called also
coefficient of resistance. --
Surface of elasticity
(Geom.), the pedal surface of an ellipsoid (see Pedal); a surface used in explaining the phenomena of double refraction and their relation to the elastic force of the luminous ether in crystalline media.
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Sun 16th December 2018