'Rectifier' definitions:

Definition of 'rectifier'

From: WordNet
noun
Electrical device that transforms alternating into direct current
noun
A person who corrects or sets right; "a rectifier of prejudices"

Definition of 'Rectifier'

From: GCIDE
  • Rectifier \Rec"ti*fi`er\ (r?k"t?*f?`?r), n.
  • 1. One who, or that which, rectifies. [1913 Webster]
  • 2. Specifically: (a) (Naut.) An instrument used for determining and rectifying the variations of the compass on board ship. (b) (Chem.) A rectificator. [1913 Webster]