Noun
An instrument for measuring the direction, duration, and force of earthquakes and like concussions.
Source: Webster's dictionaryA whopping 174 seismic events have been recorded by the lander’s seismometer on Mars, indicating an active plate with intriguing tectonics. Source: Internet
Barbieri-Low speculates that Zhang only designed his seismometer, but did not actually craft the device himself. Source: Internet
InSight’s primary instrument is a French-built seismometer, designed to detect the slightest vibrations from ‘marsquakes’ around the planet. Source: Internet
Seismic waves are studied by seismologists and measured by a seismograph or seismometer. Source: Internet
Needham (1986), Volume 3, 633. By the time of the Yuan Dynasty (1271–1368), it was acknowledged that all devices previously made were preserved, except for that of the seismometer. Source: Internet
Needham (1986a), 626. See Zhang's seismometer for further details. Source: Internet