The older types of Gymnosperms are inelastic and dying out.
Rubber slowly absorbs oxygen when exposed to air and light, the absorption of oxygen being accompanied by a gradual change in the characteristic properties of rubber, and ultimately to the production of a hard, inelastic, brittle substance containing oxygen.
In any case the inelastic quality of the Spartan system was unable to adapt itself to the spirit of the new age.
This freely-growing Gnostic religiosity aroused in the Church an increasingly strong movement towards unity and a firm and inelastic organization, towards authority and tradition.
In the latter period the excise proved of great richness, and quickly responsive in its returns; whereas the Customs were inelastic so long as the war continued.