thaumatrope

thaumatrope
[ˈθɔːmətrəʊp]
noun
  1. a scientific toy that was devised in the 19th century, consisting of a disc having a different picture on each of its two sides, these appearing to combine into one image when the disc is rapidly rotated
    幻影转盘(19世纪设计的一种科学玩具,在圆盘的两边各绘有一张不同的图片,当圆盘快速旋转时,会形成两边图片合并成一个图像的幻觉)
    ■another term for zoetrope
    同 zoetrope
语源
  1. early 19th cent.: from Greek thauma 'marvel' + -tropos '-turning'
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