magnetograph

2 definitions found

magnetograph - Collaborative International Dictionary of English v.0.48 :

  Magnetograph \Mag*net"o*graph\, n. [Magneto- + -graph.]
     (Physics)
     An automatic instrument for registering, by photography or
     otherwise, the states and variations of any of the
     terrestrial magnetic elements.
     [1913 Webster]

magnetograph - WordNet (r) 2.1 (2005) :

  magnetograph
      n 1: a scientific instrument that registers magnetic variations
           (especially variations of the earth's magnetic field)