electro-chronograph

1 definition found

electro-chronograph - Collaborative International Dictionary of English v.0.48 :

  Electro-chronograph \E*lec`tro-chron"o*graph\, n. (Astron.
     Physics)
     An instrument for obtaining an accurate record of the time at
     which any observed phenomenon occurs, or of its duration. It
     has an electro-magnetic register connected with a clock. See
     Chronograph.
     [1913 Webster]