motionsensingsystem
nounUK /ˈməʊʃən ˈsɛnsɪŋ ˈsɪstəm/
US /ˈmoʊʃən ˈsɛnsɪŋ ˈsɪstəm/
A motion sensing system is a set of parts that can tell when something is moving.
The motion sensing system turned on the lights when we walked into the room.
OTHER MEANINGS
2. A setup that uses sensors to track how things move.
The game console uses a motion sensing system to follow your hands.
3. A security tool that notices movement and sounds an alert.
The house has a motion sensing system that warns us if someone comes near.
4. A device that helps machines know when objects move nearby.
The robot's motion sensing system helps it avoid bumping into walls.