accelerometer
🇺🇸
/əkˌseləˈrɑːmɪtər/
🇬🇧
/əkˌseləˈrɒmɪtə(r)/
A device that measures how quickly something is speeding up or slowing down.
The smartphone has an accelerometer that can detect when you turn it sideways.
스마트폰에는 가로로 돌리면 감지할 수 있는 가속도 센서가 있습니다.