noun tachy·scope \ˈtakə̇ˌskōp\

Definition of tachyscope

  1. :  an early animated-picture machine in which glass photographic transparencies mounted on the periphery of a large rotating wheel are viewed through an aperture with a flashing light source serving as the illuminant

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Origin and Etymology of tachyscope

International Scientific Vocabulary tachy- + -scope; originally formed as German tachyskop

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feeling or affected by lethargy

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