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rectifier

/ˈɹɛktɪfaɪɚ/ noun

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about rectifier at Wordnik → Where our words come from →

  1. Something that rectifies.
  2. A device that converts alternating current into direct current; often a diode.
  3. An instrument used for determining and rectifying the variations of the compass on board ship.