: one that rectifies
specifically : a device for converting alternating current into direct current

Examples of rectifier in a Sentence

a tropical vacation is a surefire rectifier of the midwinter blues
Recent Examples on the Web
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Finally, at the fourth stage, a high-frequency rectifier converts the high-frequency AC back to DC, and then sends it to the vehicle’s battery. Wally Rippel, IEEE Spectrum, 4 Mar. 2025 The driver consists of four Schottky barrier diodes (SBDs) arranged into a bridge rectifier circuit. IEEE Spectrum, 13 Aug. 2019

Word History

First Known Use

1607, in the meaning defined above

Time Traveler
The first known use of rectifier was in 1607

Cite this Entry

“Rectifier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rectifier. Accessed 21 Apr. 2025.

More from Merriam-Webster on rectifier

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