Dictionary
trans•duc•er
Pronunciation: (trans-dOO'sur, -dyOO'-, tranz-), [key]—
n.
a device that receives a signal in the form of one type of energy and converts it to a signal in another form:
A microphone is a transducer that converts acoustic energy into electrical impulses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.