Galileo and Newton were redefining the natural world, which gave rise to words like encyclopedia, explain, gravity, paradox, external and chronology.

• 伽利略和牛顿对自然界事物重新定义，于是便有“百科全书”，“说明”，“重力”，“反论”，“外部”，“编年史”这类词的产生。