Pronunciation: (i-las'tik),[key] —adj. 1. capable of returning to its original length, shape, etc., after being stretched, deformed, compressed, or expanded: an elastic waistband; elastic fiber. 2. spontaneously expansive, as gases.
3. flexible; accommodating; adaptable; tolerant: elastic rules and regulations. 4. springing back or rebounding; springy: He walks with an elastic step. 5. readily recovering from depression or exhaustion; buoyant: an elastic temperament. 6. Econ.relatively responsive to change, as to a proportionate increase in demand as the result of a decrease in price. Cf. inelastic (def. 2).
7. Physics.of, pertaining to, or noting a body having the property of elasticity.
—n. 1. webbing, or material in the form of a band, made elastic, as with strips of rubber.
2. something made from this material, as a garter.
3. See rubber band.