Elasticity /(ē`lăs*tĭs"ĭ*ty̆)/

E·las·tic·i·ty

Elasticity

n.
  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 resilience[3].

Phrases & Compounds
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
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.