seismograph

Meanings

1. 1
   noun

   an instrument that automatically detects and records the intensity, direction and duration of earthquakes and similar events.

   The seismograph recorded several small tremors.

Simplified etymology

Seismograph, recorded from the mid-19th century, combines Greek seismos “earthquake” with graphē “writing, drawing.”

From seismo- + -graph.

Topics

External links

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• Cambridge Dictionary
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