Eraser橡皮

18世纪的物理学家Joseph Priestley发现南美洲的一种名叫caoutchouc的树胶能够擦去铅笔的痕迹，于是这种东西就被叫做rubber，是从动词rub(擦)派生出来的，意即用来擦铅笔字的工作–橡皮。

Eraser一词则历史很长，它是从拉丁语的erado派生出来的，意思是”去掉”、”刮掉”。古罗马人是用一种烙铁似的书写工具，把字烈军属在蜡板上的，写错了，或不需要了，就把蜡刮掉，eraser的字面含义就是”刮去蜡字的工具”。后来铅笔问世后，它渐渐转为”橡皮”的意思。

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