seismograph
/ˈsaɪzməˌɡɹæf/
An instrument that measures and records movements of the ground.
“The seismograph recorded small shakes hours before the main earthquake.”Add to my deck
/ˈsaɪzməˌɡɹæf/
An instrument that measures and records movements of the ground.
“The seismograph recorded small shakes hours before the main earthquake.”Add to my deck