elastic

名词 elastic:

1. a narrow band of elastic rubber used to hold things (such as papers) together
   同义词：rubber band, elastic band
2. a fabric made of yarns containing an elastic material

形容词 elastic:

1. capable of resuming original shape after stretching or compression; springy
2. able to adjust readily to different conditions
   同义词：flexible, pliable, pliant

1. The strong, elastic wood of this tree, used for furniture, tool handles, and sporting goods such as baseball bats.
   木，白蜡木这种树的坚硬有弹性的木材，用于(制作)家具、工具柄、运动器材如板球拍等
2. He has an elastic temperament.
   他有开朗的性情。
3. Rubber is elastic.
   橡皮是有弹性的。

e.las.tic

adj.（形容词）

Easily resuming original shape after being stretched or expanded; flexible.See Synonyms at flexible
柔韧的，有弹性的：伸长或扩展后容易恢复原状的；柔韧的参见 flexible
Springy; rebounding.
有弹力的；有弹性的
Physics Returning to or capable of returning to an initial form or state after deformation.
【物理学】 弹回的：在形变以后恢复或能够恢复原来形状或状态的
Quick to recover, as from disappointment:
能恢复的：迅速恢复的，如从失望情绪中恢复：
例句：
an elastic spirit.
开朗的精神

Capable of adapting to change or a variety of circumstances.
灵活的：能够顺应变化或不同情况的
n.（名词）

A flexible, stretchable fabric made with interwoven strands of rubber or an imitative synthetic fiber.
弹性织物：由橡皮线或类似的合成材料织成的柔韧的容易拉伸的织物
An object made of this fabric.
弹性织品：由这种织物制成的物品
A rubber band.
橡皮带

来源：
New Latin elasticus
现代拉丁语 elasticus
from Late Greek elastos [beaten, ductile]
源自 后期希腊语 elastos [锤制的，可伸展的]
variant of Greek elatos
希腊语 elatos的变体
from elaunein [to beat out]
源自 elaunein [锤制]

【引伸】
elas.tically
adv.（副词）