SENSOR By N., Pam M.S. - April 13, 2013 1. A receptor cell or an organ. 2. A device that responds to a presence. SENSOR: "A smoke detector is an example of a sensor." Related Psychology Terms TARGET DEVICE OLFACTORY RECEPTOR BARORECEPTOR SENSE ORGAN PROXIMAL STIMULUS INTEROCEPTOR MOWAT SENSOR IONOTROPIC RECEPTOR MUSCARINIC RECEPTOR SECOND MESSENGER Cite this page: N., Pam M.S., "SENSOR," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/sensor/ (accessed April 23, 2021).