photochronograph Hear it!

photochronograph definition

photo·chrono·graph (fōt′ō krän′ə graf′)

noun

    1. a device formerly used for recording motion in a series of photographs taken at regular, extremely brief, intervals
    2. a photograph so taken
  2. an instrument for recording the exact time of an event by exposing a moving photographic plate to the tracing of a thin beam of light synchronized with the event

Etymology: photo- + chronograph

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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