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Definition of: photochronograph
(fō′tō·kron′ə·graf, -gräf) noun
1. An instrument for taking pictures at minute, regular, timed intervals, of a body in motion.
2. A picture so taken.
3. A chronograph adapted for use in photographing a moving body, as a star in transit.
—pho′to·chro·nog′·ra·phy (-krə·nog′rə·fē) noun
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