elasticity vs rigidity

elasticity

noun
  • The quality of being elastic. 

  • The sensitivity of changes in a quantity with respect to changes in another quantity. 

  • A measure of the flexibility of a data store's data model and clustering capabilities. 

  • The ratio of the relative change in a function's output with respect to the relative change in its input, for infinitesimal changes at a certain point. 

  • The property by virtue of which a material deformed under load can regain its original dimensions when unloaded 

  • A system's ability to adapt to changes in workload by automatically provisioning and de-provisioning resources. 

  • Adaptability. 

rigidity

noun
  • The quality or state of being rigid; lack of pliability; the quality of resisting change of physical shape 

  • stickiness (of prices/wages etc.). Describing the tendency of prices and money wages to adjust to changes in the economy with a certain delay. 

  • Stiffness of appearance or manner; want of ease or elegance. 

  • The amount of resistance with which a body opposes change of form. 

How often have the words elasticity and rigidity occurred in a corpus of books? (source: Google Ngram Viewer )