transducer
n.a device that changes one type of energy into another. For example, a microphone changes sound waves into electrical signals.
n.a device that converts one form of energy into another. Often used in the context of electronics to describe sensors or actuators.
“The microphone is a common transducer that converts sound into electricity.”
“In modern robotics, a transducer is used to measure the pressure of the air inside the tire.”
“The piezoelectric transducer generates a high-voltage electrical signal when subjected to mechanical stress, making it ideal for use in high-precision measurement systems.”
“He also used a balloon catheter connected to a pressure transducer to monitor pressure changes in the auditory canal.”
1924, Latin trānsdūcō + -er. By surface analysis, transduce + -er.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.