transformer
n. Apparatus for reducing or increasing the voltage of an alternating current.
n. One who, or that which, transforms. Specif. (Elec.), an apparatus for producing from a given electrical current another current of different voltage.
n. Apparatus for reducing or increasing the voltage of an alternating current.
n. One who, or that which, transforms. Specif. (Elec.), an apparatus for producing from a given electrical current another current of different voltage.