noun. a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake).
- measuring device
- measuring system
- -graph (English)
- seismo- (English)
- σεισμός (Ancient Greek (to 1453))
Example sentences of the word seismograph
1. Noun, singular or mass
Insert a jagged line into the diagonal line so that it looks like a seismograph reading.
Visit the Exploratorium science museum on the Embarcadero and check out its seismograph exhibit.