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seism | seismal | seismic | seismic disturbance | seismogram | seismograph | seismographic | seismography | seismologic | seismological | seismologist

seismograph

 : 
Adjective, Noun
 : 
seis=mo=graph

CIDE DICTIONARY

seismographn. [Gr. an earthquake + -graph.].
     An apparatus for registering the shocks and undulatory motions of earthquakes.  [1913 Webster]

OXFORD DICTIONARY

seismograph, n. an instrument that records the force, direction, etc., of earthquakes.

Derivative
seismographic adj. seismographical adj.

For further exploring for "seismograph" in Webster Dictionary Online


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