tremordetector

noun
UK /ˈtremə dɪˌtektə/
US /ˈtremər dɪˌtektər/

A machine that feels shaking and tells you about it.

The tremordetector on the wall beeped when the ground shook.


OTHER MEANINGS

2. A device that notices small shakes in machines and warns people.

The engineer checked the tremordetector on the big engine.

3. A tool that finds shaking in the ground to study earthquakes.

Scientists placed a tremordetector near the volcano.

4. A gadget that senses when someone's hands shake.

The doctor used a tremordetector to watch the patient's hands.