1
- (of an object or material) able to resume its normal shape spontaneously after contraction, dilatation, or distortion（物品, 材料）有弹性的, 有弹力的。
1.1
- able to encompass much variety and change; flexible and adaptable可伸缩的; 灵活的; 易顺应的：
the definition of nationality is elastic in this cosmopolitan country.
在这个国际化的国家里, 国籍的定义是灵活的。
1.2
- Economics (of demand or supply) sensitive to changes in price or income【经济】（需求, 供应）随价格（或收入）而变动的, 随行就市的：
the labour supply is very elastic.
劳动力的供应是非常具有弹性的。
1.3
- Physics (of a collision) involving no decrease of kinetic energy【物理】（碰撞）弹性的（动能不减少）。
mass noun
- cord, tape, or fabric, typically woven with strips of rubber, which returns to its original length or shape after being stretched（尤指织入了橡皮筋的）弹性绳; 松紧带; 弹性织物。
派生词
elastically
adverbelasticity
/elæˈstɪsətɪ/ nounelasticize
（亦作-ise）verb词源
mid 17th cent. （originally describing a gas in the sense 'expanding spontaneously to fill the available space'）： from modern Latin elasticus, from Greek elastikos 'propulsive', from elaunein 'to drive'.