Spotter and Sensor

Spotter noun - A worker employed to apply spots (as markers or identifiers).

Sensor and spotter are semantically related. In some cases you can use "Sensor" instead a noun "Spotter".

Nearby Words: spotted, spotty, spotting

Sensor noun - A device that detects some physical quantity and responds usually with a transmitted signal.

Spotter and sensor are semantically related. Sometimes you can use "Spotter" instead a noun "Sensor".

Nearby Words: sensitive, sensed, sensing, sensory