noun

seismograph

seismograph

The seismograph recorded a strong tremor.

The seismograph recorded a strong tremor.

a/the + ((seismograph)) an instrument that measures and records details of earthquakes The seismograph is a sensitive instrument.

Synonyms: seismometer

From Greek 'seismos' (earthquake) + 'graphos' (writing). It 'writes' about earthquakes.

Imagine a pen ('graph') shaking ('seismo') on paper to record an earthquake.

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