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seismograph

seis·mo·graph [ szmə gràf ] (plural seis·mo·graphs)


noun 
Definition:
 
device for detecting earthquake: an instrument that detects the presence of an earthquake and measures and records its magnitude


seis·mog·ra·pher [ sīz móggrəfər ] noun
seis·mo·graph·ic [ szmə gráffik ] adjective
seis·mog·ra·phy [ sīz móggrəfee ] noun
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