rectifier rectifier /ˈrɛktəˌfaɪɝ/

noun

1. () Electrical device that transforms alternating into direct current  ( rectifier )
   electrical device that transforms alternating into direct current
    The device acted as a rectifier, converting the alternating current to direct current.
   The device acted as a rectifier, converting the alternating current to direct current.
   
   
2. A person who corrects or sets right  ( rectifier )
   a person who corrects or sets right
    A rectifier of prejudices
   a rectifier of prejudices