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English definition of “seismograph”


noun [C]     /ˈsaɪz.mə.ɡrɑːf/ US  /-ɡræf/ specialized
a piece of equipment that measures and records the strength of an earthquakeEarthquakes and volcanic eruptions
(Definition of seismograph noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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