noun pho·to·chronograph \¦fōt(ˌ)ō+\

Definition of photochronograph

  1. 1 :  chronophotograph; also :  an apparatus for taking chronophotographs

  2. 2 :  an instrument for the photographic recording of star transits

  3. 3 :  an instrument for recording minute intervals of time photographically

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Origin and Etymology of photochronograph

International Scientific Vocabulary phot- + chronograph; perhaps originally formed in French

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feeling or affected by lethargy

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