A speed camera is the device that photographs vehicles going too fast. Slow for the speed camera.
Average-speed ones measure between two points, so braking at the camera achieves nothing. A speed camera reduces crashes most where it is visible, which is why they are painted yellow.
1nounspeed cameraThe device that photographs vehicles going too fast.
“The speed camera caught him at thirty-six in a thirty.”
speed camera is a device.
Practised in In the City