Rectifier

[Jessica]

Specifically: (a) (Naut.) An instrument used for
determining and rectifying the variations of the compass on board ship.
(b) (Chem.) A rectificator.

[Greta]

An electrical device which converts an alternating current into a direct one by allowing a current to flow through it in one direction only.

[Britney]

A device for converting alternating current to direct current.

[Agnes]

The inverse of the very popular and entertaining Shocker. e.g. 2 in the stink, 1 in the pink; two in the ass one in the grass; two in the butt one in the slut; two [in the boot], one in the [koot]; goin to town with two [in the brown], etc.

[Gregory]

Someone who [always] tries to make [things] [right] between people.

[Luis Fok]

when the process of [recting] goes wrong (usualy concerned with rookies). the rectifier must then step in to control the situation and rectify the [runt]. essentialy, the rectifier rectifies a careless [rect] of a runt so that it is runtable.