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Answer for the clue "A person who corrects or sets right ", 9 letters:
rectifier

Alternative clues for the word rectifier

Word definitions for rectifier in dictionaries

Wiktionary Word definitions in Wiktionary
n. 1 Something that rectifies. 2 A device that converts alternating current into direct current; often a diode. 3 (context nautical English) An instrument used for determining and rectifying the variations of the compass on board ship.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1610s, agent noun from rectify .

Wikipedia Word definitions in Wikipedia
A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction. The process is known as rectification . Physically, rectifiers take a number of ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Rectifier \Rec"ti*fi`er\ (r?k"t?*f?`?r), n. One who, or that which, rectifies. Specifically: (Naut.) An instrument used for determining and rectifying the variations of the compass on board ship. (Chem.) A rectificator.

WordNet Word definitions in WordNet
n. electrical device that transforms alternating into direct current a person who corrects or sets right; "a rectifier of prejudices"

Usage examples of rectifier.

Love walked from the old chapterhouse of saint Mary's abbey past James and Charles Kennedy's, rectifiers, attended by Geraldines tall and personable, towards the Tholsel beyond the ford of hurdles.

He went down to the workshop directly he got home and took the little bronze sphere of the automatic pilot from the bench and packed it carefully away in rags in an old cigar box with its tiny transistor rectifier and the delicate relays, clearing the decks for a more mundane job, and started work upon the handlebars.

In the late fifties, Alfvén had been called in by the Swedish power company ASEA to investigate a problem they were having with explosions in mercury arc rectifiers used in the transmission grid.

The rectifiers used a low-pressure mercury vapor cell containing a current-carrying plasma.

The pipes he recognized as wires from the mains transformer secondary winding, feeding the rectifiers and d.