Defenition of the word seismograph
    
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Defenition of the word seismograph
        
                    - A scientific instrument that detects and records vibrations (seismic waves) produced by earthquakes.
 
                    - an instrument for detecting and measuring the intensity and direction and duration of of movements of the ground (as an earthquake)
 
                    - a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake)
 
                
     
Hypernyms for the word seismograph
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                    - measuring device
 
                    - measuring instrument
 
                    - measuring system
 
                
     
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