sensor

As a noun sensor

is sensor.

As an adjective sensorless is

without the use of sensors.

As nouns the difference between sensor and bathythermograph

is that sensor is a device or organ that detects certain external stimuli and responds in a distinctive manner while bathythermograph is a small torpedo-shaped device that holds a temperature sensor and a transducer to detect changes in hydrostatic pressure.

As nouns the difference between sensor and neurofeedback

is that sensor is sensor while neurofeedback is the presentation of realtime feedback on brainwave activity, as measured by sensors on the scalp, sometimes offered as a means of therapy.

As nouns the difference between sensor and sensel

is that sensor is sensor while sensel is a single sensor element of an array of sensors, such as in a charge-coupled device.