Rectifier
['rektɪfaɪə] or ['rɛktə,faɪɚ]
Definition
(noun.) electrical device that transforms alternating into direct current.
(noun.) a person who corrects or sets right; 'a rectifier of prejudices'.
Checked by Dora--From WordNet
Definition
(n.) One who, or that which, rectifies.
(n.) Specifically: (a) (Naut.) An instrument used for determining and rectifying the variations of the compass on board ship. (b) (Chem.) A rectificator.
Checked by Jacques